Smartwatches / Compare

CMF Watch 3 Pro vs Xiaomi Watch S5 46mm

A

Product A: CMF

Watch 3 Pro

73 of 150 known

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B

Product B: Xiaomi

Watch S5 46mm

89 of 150 known

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All 150 fields

Every value links to where we found it.

Only differences

ACMF Watch 3 Pro

BXiaomi Watch S5 46mm

General

7 of 10 differ

Series

CMF Watch5Spec databasegsmarena.com/nothing_cmf_watch_3_pro-14217.phpRead 8 October 2026

Watch S3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Overview Q3 compares the Watch S5 46mm with the Watch S4 in the same Watch S line.

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

D3992Owner's manualdevice.report/m/8c2f45d7b97f7ec2090e0664e6261cb2da3e796a2be0c7412d067c82e791e69d_optim.pdfRead 8 October 2026

M2530W1, BHR08IVGL, BHR08ISGL, BHR08ITGL, BHR08IXGL4Maker spec sheet (PDF)i02.appmifile.com/257_operatorx_operatorx_xm/29/08/2026/b4c07745b195e649523c370b72bc9ae7.pdfRead 20 October 2026EU Declaration of Conformity for radio equipment model M2530W1, Smart Watch, dated 29 August 2026. The declaration page names it Xiaomi Watch S5 46mm.11Retailer pageammancart.com/products/smartwatch-xiaomi-s5-46mm-silver-bhr08isglRead 20 October 2026Silver: part number BHR08ISGL. Two retailer part numbers in the job brief point to the black version, but retailers list BHR08ISGL as Silver and BHR08IVGL as Black.12Retailer pagemsystems.gr/smart-watches/xiaomi-watch-s5-46mm-black-bhr08ivglRead 20 October 2026Black: part number BHR08IVGL.13Retailer pageofficespot.gr/shop/all-categories/wearables/smartwatches/xiaomi-watch-s5-46mm-blue-bhr08itglRead 20 October 2026Ceramic Blue: part number BHR08ITGL.14Retailer pagebatna24.com/de/p/smartwatches-und-sportarmbander/xiaomi-watch-s5-46mm-jungle-green-bhr08ixgl-70278-m2530w1Read 20 October 2026Jungle Green: part number BHR08IXGL from the product code in the page address. The page ties it to model M2530W1. Other retailers list BHR08IXGL for Jungle Green.

GTIN / EAN

Not available

6932554463397, 6932554463366, 6932554463373, 693255446341011Retailer pageammancart.com/products/smartwatch-xiaomi-s5-46mm-silver-bhr08isglRead 20 October 2026Silver EAN 6932554463366.12Retailer pagemsystems.gr/smart-watches/xiaomi-watch-s5-46mm-black-bhr08ivglRead 20 October 2026Black EAN 6932554463397.13Retailer pageofficespot.gr/shop/all-categories/wearables/smartwatches/xiaomi-watch-s5-46mm-blue-bhr08itglRead 20 October 2026Ceramic Blue EAN 6932554463373.14Retailer pagebatna24.com/de/p/smartwatches-und-sportarmbander/xiaomi-watch-s5-46mm-jungle-green-bhr08ixgl-70278-m2530w1Read 20 October 2026Jungle Green EAN 6932554463410.

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

22 July 20256Press articlegsmarena.com/cmf_watch_3_pro_launches_with_bigger_143_screen_longer_battery_life_and_higher_price_tag-news-68721.phpRead 8 October 2026

28 May 20269Press articlefonearena.com/blog/483795/xiaomi-watch-s5-price-features.htmlRead 20 October 2026Article dated 28 May 2026 with the same euro and pound prices as Gizmochina. The USD figures in the article are conversions and are not stored.

Status

Available1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026

Available2Maker product pagemi.com/global/product/xiaomi-watch-s5-46mmRead 20 October 2026The global product page is live with specs. Trade press says it is available now from 28 May 2026.

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

Not available

Xiaomi Watch S416Reviewgsmarena.com/xiaomi_unveils_smart_band_10_pro_buds_6_sound_play_speaker-news-73032.phpRead 23 October 2026GSMArena says the Xiaomi Watch S5 comes as the successor to the Watch S4.

SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Not available

Not available

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

$996Press articlegsmarena.com/cmf_watch_3_pro_launches_with_bigger_143_screen_longer_battery_life_and_higher_price_tag-news-68721.phpRead 8 October 2026US launch list price $99. Article distinguishes the initial $79 discount. Tax treatment is not stated.

Not available

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

€996Press articlegsmarena.com/cmf_watch_3_pro_launches_with_bigger_143_screen_longer_battery_life_and_higher_price_tag-news-68721.phpRead 8 October 2026Published European launch price EUR 99. Tax treatment is not stated.

€179.998Press articlegizmochina.com/2026/05/28/xiaomi-watch-s5-46mm-globally-launched-specs-priceRead 20 October 2026Launch report of 28 May 2026: Black and Silver 179.99 EUR and 149.99 GBP, Jungle Green and Ceramic Blue 199.99 EUR and 169.99 GBP. Euro price with VAT as published. The Xiaomi pages show no price and the country behind the euro price is not named.

MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

Not available

EU, GB8Press articlegizmochina.com/2026/05/28/xiaomi-watch-s5-46mm-globally-launched-specs-priceRead 20 October 2026Prices are given in euros and pounds. Xiaomi has no official US release.

ColoursiThe maker's own colour names

Dark Grey1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026Selected reference is Dark Grey, maker store SKU 6974434225312. Other finishes have different thicknesses and are not represented as variants.

Black, Silver, Ceramic Blue, Jungle Green1Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 2026Four colours: Black, Silver, Ceramic Blue and Jungle Green.

Segment

Smartwatch1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026

Smartwatch3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Overview Q2: product positioning is a Xiaomi series long battery life smartwatch.

OS updates promisediYears of explicitly promised OS updates. A security-only support period does not establish an OS-upgrade promise.

Not available

Not available

Security updates untiliExact end date published for security-update support of this model. Do not calculate it from a stated number of years. A security-only period does not promise OS upgrades.

Not available

May 20285Maker spec sheet (PDF)i02.appmifile.com/127_operatorx_operatorx_xm/17/07/2026/fbc4923c53bffffff7fc441114771351.pdfRead 20 October 2026UK PSTI statement for M2530W1: the defined support period is until 05/2028. Read as May 2028. This is a security-support period, not an OS-upgrade promise.

Case

5 of 8 differ

Case sizeiMarketed case-size options. The marketed size can differ from physical case height, such as ceramic editions. Base dimensions describe the smallest base-material case.

47mm6Press articlegsmarena.com/cmf_watch_3_pro_launches_with_bigger_143_screen_longer_battery_life_and_higher_price_tag-news-68721.phpRead 8 October 2026

46mm1Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 202646 mm body. The separate 41 mm Watch S5 has its own product and is not included.

Case shape

Round6Press articlegsmarena.com/cmf_watch_3_pro_launches_with_bigger_143_screen_longer_battery_life_and_higher_price_tag-news-68721.phpRead 8 October 20268Reviewtechradar.com/health-fitness/smartwatches/cmf-watch-3-pro-reviewRead 8 October 2026Design and display section describes the circular display and circular watch design.

Round3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Screen: 1.48-inch AMOLED circular screen.

Case materialiMaterial of the housing body, not just the bezel. Use Mixed when the maker describes a mixture of housing/frame materials. Read the published-material field for the parts and proportions.

Aluminium5Spec databasegsmarena.com/nothing_cmf_watch_3_pro-14217.phpRead 8 October 2026Build row identifies an aluminium frame. Maker design table identifies the body as metal.

Stainless steel1Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 2026Frame row: watch body stainless steel. The bezel is stainless steel, ceramic or forged carbon by version.

Case material (as published)

Metal body1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026

316L stainless steel frame with stainless steel bezel3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Body Q3: the middle frame is stainless steel and the bezel is stainless steel, ceramic or forged carbon. The overview page says the watch is crafted from 316L stainless steel.

BackiMaterial of the back of the smallest base-material case. Other materials or regional editions can differ. See source notes.

Not available

Not available

Case dimensionsiPhysical case height, width and thickness. The source note states exclusions such as the heart-rate sensor protrusion.

Width47Thickness14.4mm(1.9 × 0.6 in)1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026Design table, Dark Grey and Light Green: width 4.7 cm and depth 1.44 cm. The published height of 25.8 cm includes the open strap and is excluded from case height.

Height46Width46Thickness10.99mm(1.8 × 1.8 × 0.4 in)1Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 2026Dimensions 46.00 x 46.00 x 10.99 mm. The maker excludes the strap and protrusions. The FAQ gives 13.14 mm with the heart rate sensor protrusion.3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Body Q1: diameter 46 mm excluding DECO, thickness 10.99 mm excluding the heart rate sensor protrusion. 13.14 mm including it.

Weight (case only)iWatch body without a strap. An unqualified published weight must not be assumed to exclude the strap.

Not available

45.6g(1.6 oz)3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Body Q1: Black 45.6 g, Silver 45.3 g, Ceramic Blue 45.7 g and forged carbon Jungle Green 43.5 g. The specs page says about 46 g without the in-box strap. The FAQ does not say whether the strap is included, so the specs page wording is taken to apply.

Weight with strapiWatch with the stated strap attached. Strap material and case size belong in the source note. Reviewer measurements belong in measured fields.

Not available

Not available

Durability

4 of 8 differ

Water resistanceiStatic water-pressure rating in atmospheres. It is not a safe swimming or diving depth. Diving limits are listed separately.

Not available

5ATM1Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 20265ATM, equivalent to 50 m. The maker says it is not suitable for hot showers, saunas or diving.

Water resistance standard

IEC 605291Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026

Not available

Dust and water rating

IP681Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026Footnote 12: IP68 under IEC 60529, up to 1.1 m in still clear water for 30 minutes. The maker excludes swimming, hot showers, diving and high-pressure water.

Not available

Dive rating

Not available

Not available

Max dive depthiMaker-rated depth for the stated diving use, not a conversion from the water-resistance pressure rating.

Not available

Not available

MIL-STD-810iMaker claim that the watch was tested against specified MIL-STD-810 methods. It is not a guarantee for every military-standard test.

Not available

Not available

MIL-STD-810 tests

Not available

Not available

Operating temperatureiPublished operating range. Source notes identify on-wrist limits and other operating conditions. Storage or charging limits are excluded.

Not available

Min-10Max45°C3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Charging and Battery Q1: operates from -10 to 45 C and charges from 1 to 45 C.

Display

6 of 14 differ

Display type

OLED1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026

OLED1Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 20261.48-inch AMOLED display. No LTPO is stated.

Display type (as published)

AMOLED1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026

AMOLED1Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 2026

Screen sizeiPublished active display diagonal for a rectangular display, or diameter for a round display. Do not calculate it from pixels or display area.

1.43in(3.6 cm)1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026

1.48in(3.8 cm)1Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 2026

Resolution

466 × 466px1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026

480 × 480px1Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 2026

Pixel densityiPublished pixel density. A rectangular diagonal formula must not be applied to a round display.

326ppi1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026

323ppi1Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 2026

Display area

Not available

Not available

Touchscreen

Yes2Owner's manualdevice.report/m/8c2f45d7b97f7ec2090e0664e6261cb2da3e796a2be0c7412d067c82e791e69d_optim.pdfRead 8 October 2026

Yes3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Screen Q2 and Q3: swipe control and wet-touch protection. Underwater operation is not supported.

Max refresh rateiHighest published display refresh rate in active operation.

60Hz1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026Display refresh table publishes 60 FPS as the refresh rate.

Not available

Min refresh rateiLowest published display refresh rate, usually in always-on mode. It is not the active-use minimum unless stated.

Not available

Not available

Peak brightnessiMaker peak-brightness claim. It may apply to a small area or bright ambient light. Full-screen limits and battery/temperature conditions belong in source notes.

670nits1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026Display table: 650 nits typical, up to 670 nits. Screen area and ambient-light conditions are not specified.

2,500nits1Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 2026HBM brightness 1500 nits and peak brightness 2500 nits. The maker says HBM is the highest brightness with the whole screen lit and peak is for a specific area. No reviewer measurement is substituted.

Minimum brightness

Not available

Not available

Always-on display

Yes1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026

Yes2Maker product pagemi.com/global/product/xiaomi-watch-s5-46mmRead 20 October 2026Battery table gives a 9 day AOD scenario. The FAQ explains the AOD setting.3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Display Q4: Always-on display setting with a schedule. It reduces battery life.

Display cover

Other glass1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026

Other glass3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026

Display cover (as published)

Glass1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026

2D flat tempered high-aluminosilicate glass, 9H pencil hardness3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Screen Q1: 2D high-aluminosilicate glass with 9H pencil scratch hardness. Body Q3: 2D flat tempered glass cover. No brand is named.

Platform

5 of 15 differ

Platform

Proprietary8Reviewtechradar.com/health-fitness/smartwatches/cmf-watch-3-pro-reviewRead 8 October 2026Features section identifies proprietary Nothing software.

Proprietary1Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 2026Operating system: Xiaomi HyperOS 3, Xiaomi's own software. No Wear OS or other third-party watch platform is named.

OS at launch

Not available

Xiaomi HyperOS 31Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 2026

Software

Not available

Not available

Latest OS

Not available

Not available

Works with

iOS, Android1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026

Android, iOS1Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 2026Android 8.0 and above, or iOS 14.0 and above.

Phone requirement

Android 6.0 or later, or iOS 13 or later. Uses the Nothing X app.1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026

Android 8.0 and above, or iOS 14.0 and above, with the Mi Fitness app3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Connect and Pair Q1: the watch needs the Mi Fitness app on iOS or Android.

App store

No9Reviewwareable.com/smartwatches/cmf-watch-3-pro-reviewRead 8 October 2026Smart features section explicitly states there is no third-party app support.

No3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Apps Q1: installing third-party apps is not supported.

Voice assistants

Paired phone voice assistant, ChatGPT1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026Other features table lists Voice Assistant. The ChatGPT section and footnote 15 state ChatGPT integration and require Nothing OS. Most connected functions require the paired smartphone.12Maker product pagesupport.nothing.tech/hc/en-us/articles/37233005379217-How-to-use-ChatGPT-on-my-watchRead 8 October 2026ChatGPT is available only to Nothing phone users. The paired phone needs the ChatGPT app, a logged-in account, microphone permission and a selected conversation voice. Enable ChatGPT through the Nothing X app.

Not available

Chipset

Not available

BES2800BP3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026System Q1: processor BES2800BP with HyperOS, factory version 3.220.063.

Process

Not available

Not available

CPU cores

Not available

Not available

CPU configuration

Not available

Not available

Max CPU clock

Not available

Not available

GPU

Not available

Not available

Low-power coprocessor

Not available

Not available

Memory

1 of 2 differ

RAMiKeep published GB values as stated. Convert a source explicitly labelled MB using 1000 MB per GB and preserve its original figure and unit in the note. Do not assume MB means MiB. Convert explicit MiB or GiB to decimal GB through their byte definitions, recording the conversion in the note. This normalization does not establish an exact physical byte count.

Not available

Not available

StorageiTotal built-in storage the maker states, in decimal GB. Space available to the user is lower and goes in the source note. A figure the maker gives only as available space is not stored.

256 MB5Spec databasegsmarena.com/nothing_cmf_watch_3_pro-14217.phpRead 8 October 2026Internal storage 256 MB, converted exactly to 0.256 decimal GB. User-accessible music storage is not implied.

4GB3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026System Q7 says RAM 64 GB and ROM 4 GB. The RAM figure cannot be right for a watch and is not stored. The 4 GB ROM matches the Amazon US spec table.15Retailer pageamazon.com/dp/B08N64F336Read 20 October 2026Amazon US listing for the Black BHR08IVGL: memory storage capacity 4 GB. Listed by a marketplace seller. Xiaomi has no official US release.

Health sensors

2 of 8 differ

Heart rate sensor

Optical heart rate and blood oxygen sensor1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026

Four-LED, four-PD optical heart rate and blood oxygen sensor1Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 2026Sensors row: heart rate sensor with blood oxygen sensor. The overview page and FAQ name a four-LED, four-PD design.

ECG capabilityiElectrical heart sensing hardware with an ECG capability. The ECG app can require an eligible country, age and paired phone.

No10Reviewindianexpress.com/article/technology/tech-reviews/nothing-cmf-watch-3-pro-review-2026-10761542Read 8 October 2026Health and fitness section explicitly states that the model has no ECG. Measurements and paired-earphone claims are not used.

No3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Heart Q3: mobile ECG atrial fibrillation alerts are not supported. Gadgets and Wearables also lists ECG as No.10Spec databasegadgetsandwearables.com/technical-specs/xiaomi-watch-s5-46mmRead 20 October 2026Spec table: ECG No.

Blood oxygen sensingiBlood-oxygen sensing capability. App availability and medical status vary by market.

Yes1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026

Yes1Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 2026

Skin temperature sensingiA sensor or supported function that measures skin temperature. It is not a core-body thermometer.

No9Reviewwareable.com/smartwatches/cmf-watch-3-pro-reviewRead 8 October 2026Health and sleep tracking section explicitly states there is no built-in temperature sensor.

No3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Body temperature Q1: body temperature measurement is not supported.10Spec databasegadgetsandwearables.com/technical-specs/xiaomi-watch-s5-46mmRead 20 October 2026Spec table: skin temperature No.

Blood pressure featureiPublished blood-pressure feature category. Hypertension notifications are not numerical blood-pressure readings.

Not available

None3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Support answers say blood pressure measurement is not supported.

Body composition sensor

Not available

Not available

Skin conductance (EDA)

Not available

Not available

Medical clearancesiNamed regulatory clearances and their jurisdiction. General water resistance or an ECG sensor does not establish medical clearance.

Not available

Not available

Motion and environment sensors

2 of 9 differ

Accelerometer

Yes1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026

Yes1Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 2026

Accelerometer range

Not available

Not available

Gyroscope

Yes1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026

Yes1Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 2026

Barometric altimeter

Not available

Yes1Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 2026

Compass

Not available

Yes1Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 2026

Ambient light sensor

Yes1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 20262Owner's manualdevice.report/m/8c2f45d7b97f7ec2090e0664e6261cb2da3e796a2be0c7412d067c82e791e69d_optim.pdfRead 8 October 2026

Yes1Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 2026Sensors row lists an ambient light sensor.

Depth gauge

Not available

Not available

Depth gauge rangeiPublished measurement range of the depth gauge, distinct from maximum diving depth and water-pressure resistance.

Not available

Not available

Water temperature sensor

Not available

Not available

Health and fitness

4 of 5 differ

Health featuresiSupported health functions with country, phone and subscription restrictions in the source notes. Upcoming functions are not counted as available.

Continuous heart rate, Heart rate alerts, Blood oxygen app, Sleep tracking, Sleep stages, Stress tracking, Cycle tracking3Maker product pagesupport.nothing.tech/hc/en-us/sections/31667497585169-Product-FeatureRead 8 October 2026Health monitoring and Enhanced sleep tracking articles list heart rate monitoring and alerts, blood oxygen, stress and sleep stages. The cycle-tracking article uses manually entered cycle data.

Continuous heart rate, Heart rate alerts, Blood oxygen app, Heart rate variability, Sleep tracking, Sleep stages, Stress tracking, Cycle tracking2Maker product pagemi.com/global/product/xiaomi-watch-s5-46mmRead 20 October 2026Overview: 24/7 heart rate, all-day blood oxygen, all-day stress, women's health cycle tracking and advanced sleep monitoring. These are not medical features.3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Heart, SpO2, stress, cycles and sleep answers: sustained high and low heart rate alerts, all-day SpO2 and stress, sleep HRV, sleep stages (deep, light, REM) and menstrual cycle tracking. Smart period prediction is not supported.

Fitness featuresiSupported workout functions. A sport-profile name alone does not prove advanced metrics such as running power or running dynamics. Trackback follows the recorded route back to the start. A compass arrow that points straight to the start does not count.

Automatic workout detection, VO2 max, Training load, Recovery advice3Maker product pagesupport.nothing.tech/hc/en-us/sections/31667497585169-Product-FeatureRead 8 October 2026Workout Detection, VO2 Max, Training Load and Recovery Time articles. Automatic detection supports indoor/outdoor running and walking, outdoor cycling, elliptical and rowing. VO2 max needs a moderate or harder running or cycling session of about 15 minutes.

Automatic workout detection, VO2 max, Training load, Running dynamics, Pool swim, Open water swim, Route navigation2Maker product pagemi.com/global/product/xiaomi-watch-s5-46mmRead 20 October 2026Overview: running form recognition (vertical ratio, vertical oscillation, ground contact time), 150+ sport modes and offline route navigation. Backtracking is described but not stored as trackback because the method is not stated.3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Workout answers: auto detect for running, cycling, rower, elliptical, jump rope and walking, fitness level and VO2 max, training load, wrist running form (vertical ratio, vertical amplitude, ground contact time) for outdoor and track running, pool swimming, open water and route navigation with Start navigation.

Sport profilesiPublished count of distinct sport/activity profiles. A claim such as 180+ is not an exact integer count.

1311Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026

Not available

Dive modesiActual supported dive modes. Water resistance or a depth app alone does not establish decompression-capable scuba support.

Not available

Not available

External sensorsiTypes of external workout sensors the watch can pair with. GPS reception, phone data and built-in sensors do not qualify.

Not available

Power meter2Maker product pagemi.com/global/product/xiaomi-watch-s5-46mmRead 20 October 2026Overview: Bluetooth power meters that use standard Bluetooth protocols are supported. Bluetooth heart rate broadcasting sends the watch's own rate to a bike computer.3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Workout Q6: only power meters that use standard Bluetooth protocols.

Safety

3 of 6 differ

Fall detectioniAutomatic fall detection. Incident detection restricted to recorded workouts is not counted as general fall detection.

Not available

Yes3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Security Q2: with Emergency SOS and Fall detection on, a serious fall followed by 60 seconds of inactivity dials the emergency contact and texts the location.

Car crash detection

Not available

Not available

Emergency SOSiA manual emergency alert to emergency services or preset contacts. Source notes identify the recipient, paired-phone requirement and country limits. Satellite is listed separately.

Not available

Yes3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Security Q1: press the power button three times to call the emergency contact and send your location. Up to 3 contacts. It needs the Mi Fitness app setup and a paired phone.

Emergency sireniPublished or measured siren sound level in decibels. Audible distance alone does not establish this value. Measurement distance belongs in source notes.

Not available

Not available

Live location sharingiShares live location during supported use. A paired phone or data subscription may be required.

Not available

Not available

Dedicated LED flashlightiA dedicated hardware LED flashlight. Lighting the display white is not counted.

Not available

No3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026The Control center flashlight turns the screen into a white light. There is no LED.

Positioning

2 of 3 differ

PositioningiPublished satellite systems and signal bands. Do not infer bands from dual-frequency support alone.

GPS L1 + L5, GLONASS, Galileo, QZSS, BeiDou1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026

GPS, Galileo, GLONASS, BeiDou, QZSS1Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 2026GPS, Galileo, Glonass, BeiDou and QZSS. The overview page says dual-band five-system GNSS.

Dual-band GNSSiMaker-stated dual-frequency satellite reception. Supported constellations and signal bands are listed separately.

Yes1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026

Yes2Maker product pagemi.com/global/product/xiaomi-watch-s5-46mmRead 20 October 2026Upgraded dual-band five-system GNSS with an all-new dual-frequency positioning chip.

Offline mapsiMap data stored on the watch and usable without live phone data. GPX routes or breadcrumb tracks alone are not offline maps.

Not available

Yes2Maker product pagemi.com/global/product/xiaomi-watch-s5-46mmRead 20 October 2026Full-colour offline maps with route navigation. Maps must be downloaded through the Mi Fitness app. Availability may vary by region.

Connectivity

5 of 15 differ

BluetoothiPublished Bluetooth support for this model. The version is recorded separately. Unknown version does not mean the radio is absent.

Yes1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026

Yes1Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 2026

Bluetooth version

5.31Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026

5.41Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 2026Dual-mode Bluetooth BLE/BT 5.4.

Wi-FiiPublished Wi-Fi support for this model. The standard and bands are recorded separately. Unknown standard does not mean Wi-Fi is absent.

No5Spec databasegsmarena.com/nothing_cmf_watch_3_pro-14217.phpRead 8 October 2026

Yes3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Connectivity Q6: the watch can join Wi-Fi on its own. It cannot download apps. The Wi-Fi standard and bands are not stated.

Wi-Fi standard

Not available

Not available

Wi-Fi bands

Not available

Not available

CellulariTrue when a cellular edition is sold. A variant row states whether that individual model has cellular hardware.

No5Spec databasegsmarena.com/nothing_cmf_watch_3_pro-14217.phpRead 8 October 2026

No4Maker spec sheet (PDF)i02.appmifile.com/257_operatorx_operatorx_xm/29/08/2026/b4c07745b195e649523c370b72bc9ae7.pdfRead 20 October 2026The standards list covers Bluetooth and Wi-Fi 2.4 GHz, GNSS and NFC and has no cellular standard. GSMArena says only a separate eSIM model has cellular.

Network

Not available

Not available

4G bandsiPublished LTE bands for the stated regional cellular model. Do not transfer bands to another region or Wi-Fi-only model.

Not available

Not available

5G bandsiPublished 5G NR bands for the stated regional cellular model. RedCap support does not establish conventional full-bandwidth phone 5G.

Not available

Not available

NFCiSome regions sell an NFC edition, so it is per variant.

No4Maker product pagesupport.nothing.tech/hc/en-us/articles/37210042924689-Does-Watch-3-Pro-support-NFCRead 8 October 2026

Yes1Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 2026NFC supported. The maker says availability may vary by region.3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026NFC Q1: full hardware support. Services are limited at launch to Visa and Mastercard cards in Europe through Xiaomi Pay and EasyCard in Taiwan. More regions will follow by update.

Contactless payments

No4Maker product pagesupport.nothing.tech/hc/en-us/articles/37210042924689-Does-Watch-3-Pro-support-NFCRead 8 October 2026The watch does not support NFC.

Yes2Maker product pagemi.com/global/product/xiaomi-watch-s5-46mmRead 20 October 2026NFC payments at Mastercard and Visa terminals. Availability varies by region.

Payment services

Not available

Xiaomi Pay3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026NFC answers: bank cards are added through Xiaomi Pay.

Ultra-wideband

Not available

Not available

Satellite

Not available

Not available

ANT+

Not available

Not available

Audio

2 of 4 differ

Speaker

Yes1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 20262Owner's manualdevice.report/m/8c2f45d7b97f7ec2090e0664e6261cb2da3e796a2be0c7412d067c82e791e69d_optim.pdfRead 8 October 2026

Yes1Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 2026Specs row: Speaker supported. The microphone is also listed as supported, with no count.3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Connectivity Q2: audio output switches back to the watch speaker.

Microphones

21Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026Calling section states two MEMS microphones. The D399 guide also labels both microphones.2Owner's manualdevice.report/m/8c2f45d7b97f7ec2090e0664e6261cb2da3e796a2be0c7412d067c82e791e69d_optim.pdfRead 8 October 20266Press articlegsmarena.com/cmf_watch_3_pro_launches_with_bigger_143_screen_longer_battery_life_and_higher_price_tag-news-68721.phpRead 8 October 2026

Not available

Calls on the watchiVoice-call capability of the marketed model, including sold cellular editions. Variant radio capability and paired-phone requirements still apply.

Phone only1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026Footnote 10 requires a Bluetooth-connected smartphone. Calls from third-party apps are unsupported.

Phone only3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Calls Q3: answer, end and make calls on the watch over the paired phone's Bluetooth connection. Bluetooth earbuds cannot be used for calls.

Music on the watchiPlays audio stored on the watch. Remote control of phone playback or streaming alone does not qualify.

No8Reviewtechradar.com/health-fitness/smartwatches/cmf-watch-3-pro-reviewRead 8 October 2026Features section describes phone music control and no onboard user storage for playback.

Yes3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Music Q3: MP3 files are imported through the Mi Fitness app and played on the watch.

Controls

3 of 5 differ

ButtonsiPhysical controls used to operate the watch, excluding the rotating crown and strap-release buttons. A clickable rotating crown is counted only in Crown.

02Owner's manualdevice.report/m/8c2f45d7b97f7ec2090e0664e6261cb2da3e796a2be0c7412d067c82e791e69d_optim.pdfRead 8 October 2026Product overview and operations panels identify only the rotating, clickable functional crown. No separate operating button is shown.

13Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Body Q2 and Q3: the 4 o'clock power button is the only button. The 2 o'clock crown is counted only in Crown.

Named operating buttonsiNames of operating buttons, excluding the crown and strap-release controls.

Not available

Power button (4 o'clock)3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Body Q3: power button at 4 o'clock.

CrowniA crown that rotates to control the interface. A round push button that does not rotate is not a crown.

Rotating2Owner's manualdevice.report/m/8c2f45d7b97f7ec2090e0664e6261cb2da3e796a2be0c7412d067c82e791e69d_optim.pdfRead 8 October 2026

Rotating3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Body Q2: a rotating crown at 2 o'clock to navigate, press for the app list.

Rotating bezeliPhysical rotation or touch gestures around the display edge. A fixed decorative bezel is None.

None6Press articlegsmarena.com/cmf_watch_3_pro_launches_with_bigger_143_screen_longer_battery_life_and_higher_price_tag-news-68721.phpRead 8 October 2026The launch article states that the bezel is fixed in place. Watch Pro 2 modular bezels are not supported.

None3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Bezel Q1: the bezel is fixed to the frame and cannot be replaced. The maker describes no bezel input.

Gestures

Cover screen with palm, Wrist flip, Double shake2Owner's manualdevice.report/m/8c2f45d7b97f7ec2090e0664e6261cb2da3e796a2be0c7412d067c82e791e69d_optim.pdfRead 8 October 2026English Operations panel supports covering the watch with a palm to turn the screen off. Gesture Control is configured through Nothing X.6Press articlegsmarena.com/cmf_watch_3_pro_launches_with_bigger_143_screen_longer_battery_life_and_higher_price_tag-news-68721.phpRead 8 October 2026

Raise to wake, Snap fingers, Shake wrist, Rotate wrist2Maker product pagemi.com/global/product/xiaomi-watch-s5-46mmRead 20 October 2026Overview: smart gesture recognition, wrist mode and quick gestures. The FAQ names the gestures.3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Raise to wake appears in the Control center. Quick gestures: snap fingers, shake wrist and rotate wrist.

Battery and charging

7 of 13 differ

Battery capacityiPublished battery capacity for the stated case size. Rated and typical capacity are distinguished in source notes.

350mAh1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026

815mAh1Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 2026Capacity 815 mAh, lithium-ion polymer. Rated or typical is not stated.

Claimed battery lifeiMaker endurance claims with distinct operating modes and case sizes. With solar describes augmentation of that estimate, not hardware capability. Use false for ordinary claims without solar augmentation, true for explicitly solar-aided claims, and omit it when solar qualification is unclear. Source notes state AOD, GNSS, music and solar conditions. Do not create a normal-use row from an AOD-only claim. Low power denotes the maker battery-saver mode. Keep its typical, light-use and always-on claims separate from standard-mode claims. GPS power saving identifies an intermediate reduced-accuracy GNSS saving preset. Source notes retain the maker's preset name and published conditions. Max battery GPS is the distinct maximum-saving claim. When the maker has only one GPS saving preset, it is GPS power saving.

ACMF Watch 3 Pro

Mode	With solar	Hours (h)
Smartwatch	No	312
Heavy use	No	240
Always-on	No	108
Low power	No	1,440
GPS	No	17.2

Source1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026Current Battery table: typical 13 days, heavy 10 days, AOD plus heavy 4.5 days, power saving 60 days, GPS 17.2 hours. Days are converted exactly to hours. Typical and heavy modes include 120 minutes GPS and 30 minutes Bluetooth calls per week. Typical includes heart rate every five minutes, 100 screen activations and 100 message views per day. Heavy adds 200 screen activations and message views, six daily manual heart rate and SpO2 checks, and automatic stress and SpO2 every 30 minutes. AOD daily duration and continuous-GPS band settings are not stated here. These are maker laboratory claims. The support FAQ differs: 10.5 days heavy and 4.4 days with 12 hours daily AOD. Current product claims are retained.11Maker product pagesupport.nothing.tech/hc/en-us/articles/37210046005777-How-long-does-Watch-3-Pro-s-battery-lastRead 8 October 2026The FAQ differs from the current product table: 10.5 days heavy use and 4.4 days with heavy use plus 12 hours daily AOD. It agrees on 13 days typical use. The current product table claims of 10 days heavy and 4.5 days AOD are retained. The FAQ AOD schedule is not transferred to the product table claim.

BXiaomi Watch S5 46mm

Mode	With solar	Hours (h)
Smartwatch	No	336
Always-on	No	216
Light use	No	504

Source2Maker product pagemi.com/global/product/xiaomi-watch-s5-46mmRead 20 October 2026Up to 21 days in the light usage scenario, 14 days normal and 9 days with AOD, tested by Xiaomi Internal Labs. Days are converted exactly to hours. The FAQ gives the full test conditions.3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Charging Q4: up to 21 days in the maximum scenario with power-hungry monitoring off and no AOD, 14 days in the typical scenario and 9 days with AOD. Test conditions include 100 messages a day and 15 minutes of Bluetooth calls a week.

Smartwatch mode (claimed)iMaker normal-use smartwatch claim without solar. A watch with only an explicit AOD-mode claim has no value here. Workloads differ and source notes must be read.

312h=CalculatedFrom Claimed battery life

336h=CalculatedFrom Claimed battery life

AOD battery life (up to)iMaker claimed smartwatch endurance with the always-on display enabled and without solar, for the base case. Source notes preserve workload and case conditions. This is a claim, not a measured test or an AOD-off estimate.

108h=CalculatedFrom Claimed battery life

216h=CalculatedFrom Claimed battery life

GPS mode (claimed)iMaker regular GPS/GNSS activity claim without solar, for the base case. AOD, multi-band, music and power-saving conditions have separate rows when published.

17.2h=CalculatedFrom Claimed battery life

Not available

Solar chargingiPublished solar charging hardware capability. An ordinary battery estimate without solar augmentation does not prove that the watch lacks solar charging hardware.

Not available

Not available

Charging methodiThe connection at the watch, not the cable end at the USB adapter. A proprietary inductive puck is not Qi unless interoperability is explicitly established.

Magnetic pins2Owner's manualdevice.report/m/8c2f45d7b97f7ec2090e0664e6261cb2da3e796a2be0c7412d067c82e791e69d_optim.pdfRead 8 October 2026English Charge panel: two metal pads on the watch align with the metal tips on the charging cable.8Reviewtechradar.com/health-fitness/smartwatches/cmf-watch-3-pro-reviewRead 8 October 2026Performance section identifies the magnetic charging puck. The D399 guide separately establishes two metal contacts at the watch.

Magnetic pins1Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 2026Charging port: 2-pin magnetic charging dock.

Charging guidanceiPublished charging requirements, nominal estimates and compatibility guidance. Keep adapter ratings separate from power accepted by the watch.

Not available

2-pin magnetic charging dock with a USB cable. Xiaomi gives 5 V and 2 A wired charging and asks for a USB-A adapter with 5 V and 2 A output. Wireless charging is not supported. Charging works from 1 to 45 C.3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Charging Q1, Q2, Q3 and Q9: 5 V and 2 A wired charging, USB-A adapter with 5 V and 2 A, no wireless charging, dock shared with Watch S2, S3 and S4.

Max charging power (watch)iPublished maximum charging power at the watch. Adapter rating or charger input power does not prove the power accepted by the watch.

Not available

Not available

Fast chargingiAn explicit fast-charging capability claim. A short charging time or high adapter wattage alone does not qualify.

Not available

Not available

Quick charge claimiMaker claim for usage from a short charge. Source notes identify the usage workload, such as normal use or sleep tracking.

Not available

Not available

Charge 0 to 80% (claimed)iMaker claim for charging an empty battery to 80%. Charger and approximate qualifiers belong in source notes.

Not available

Not available

Full charge time (claimed)iMaker advertised nominal full-charge duration. Approximate or theoretical maker estimates are allowed, with their conditions in source notes. Partial-charge intervals do not qualify. Measured 0 to 100% tests have a separate field.

99min1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026Battery table gives a nominal charging time of 99 minutes. Starting percentage and charger conditions are not stated.

90min3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Charging Q4 and Q7: about 90 minutes to fully charge with the official dock and a 5 V and 2 A or higher adapter.

Measured

1 of 4 differ

Peak brightness (measured)iReviewer measurement. Source notes state screen area, mode and ambient light. A small-area peak claim cannot be replaced with a full-screen measurement.

Not available

Not available

Battery life (measured)iReviewer-observed mixed-use endurance. Source notes state case size, AOD, workout use and whether it was a complete discharge. Extrapolation from partial discharge is excluded.

Not available

Not available

Battery tests (measured)iReviewer-observed endurance, with case size and test settings in source notes. Partial-discharge projections are not stored as measured endurance.

ACMF Watch 3 Pro

Not available

BXiaomi Watch S5 46mm

Test	Hours (h)
Mixed use, display setting unspecified	360

Source7Reviewgsmarena.com/xiaomi_watch_s5_review-news-73952.phpRead 20 October 2026Review of 11 October 2026: 15 days of endurance from a single charge with raise-to-wake active, five workouts a week and daily sleep tracking. Display mode is not stated and AOD was not tested separately. Stored as 360 h. No full-discharge log is shown.

Full charge time (measured)iReviewer measurement from empty to full, not 0-80% or a charge from 5%. Source notes name the charger and case size.

Not available

Not available

Strap

4 of 6 differ

Lug widthiDistance between standard strap attachment lugs, not the decorative width of a proprietary strap. Unknown for custom connectors unless the maker publishes lug width.

22mm7Reviewgsmarena.com/cmf_watch_3_pro_in_for_review-news-69839.phpRead 8 October 2026The review introduction identifies standard 22 mm bands for Watch 3 Pro.

22mm3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Strap Q6: 22 mm strap width.

Quick-release strapiThe supplied strap can be detached through its quick-release mechanism. Compatibility with quick-release replacement straps alone does not qualify.

Yes2Owner's manualdevice.report/m/8c2f45d7b97f7ec2090e0664e6261cb2da3e796a2be0c7412d067c82e791e69d_optim.pdfRead 8 October 2026English Change straps panel identifies a quick-release lever at each strap end.

Yes3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Strap Q6, Q8 and Q9: the quick-release strap is removed with a slide lever.

Strap systemiPublished attachment system and compatible case sizes. Proprietary connectors are distinguished from standard spring bars.

Standard 22 mm quick-release straps7Reviewgsmarena.com/cmf_watch_3_pro_in_for_review-news-69839.phpRead 8 October 2026

22 mm quick-release straps3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Strap Q6: compatible with watches that support 22 mm straps.

Strap materialiMaterial of the supplied strap for the stated package. Do not substitute material from another band sold separately.

Silicone1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026Design table describes a liquid silicon strap. The product text identifies it as silicone.

Fluoroelastomer1Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 2026Black: fluororubber strap. Fluororubber is stored as fluoroelastomer.3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Strap Q7: fluororubber for Black and Silver, leather for Ceramic Blue and fluororubber nylon braided for forged carbon Jungle Green. The Jungle Green strap fits no single enum option and is stored as other.

Strap

Not available

Black fluororubber strap1Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 2026Strap rows by colour. The Black version has a black fluororubber strap.3Maker product pagemi.com/global/support/faq/details/KA-703529Read 20 October 2026Strap Q6: black fluororubber, gray fluororubber, blue leather and green fluororubber nylon braided.

Strap sizesiPublished wrist-circumference range for the stated strap or case. Source notes distinguish an overall compatible wrist range from one supplied strap size.

ACMF Watch 3 Pro

Not available

BXiaomi Watch S5 46mm

Size	Wrist (min) (mm)	Wrist (max) (mm)
Black fluororubber strap	140	210

Source1Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 2026Black and Silver fluororubber straps have an adjustable length of about 140 to 210 mm. The maker publishes strap length, stored as the wrist range. Ceramic Blue leather and Jungle Green straps are about 135 to 205 mm.

Regulatory

1 of 3 differ

FCC ID

Not available

Not available

SAR limb (US)iPublished limb/wrist SAR for the stated base regional model under the US regime. Other case sizes or radio versions can differ. Head or body SAR is excluded.

Not available

Not available

SAR limb (EU)iPublished limb/wrist SAR for the stated base regional model under the EU regime. Other case sizes or radio versions can differ. Head or body SAR is excluded.

Not available

Not available

Other certifications

Not available

EU RED 2014/53/EU conformity, RoHS 2011/65/EU conformity4Maker spec sheet (PDF)i02.appmifile.com/257_operatorx_operatorx_xm/29/08/2026/b4c07745b195e649523c370b72bc9ae7.pdfRead 20 October 2026The declaration covers RE Directive 2014/53/EU and RoHS Directive 2011/65/EU.

In the box

1 of 2 differ

In the box

CMF Watch 3 Pro, Charging cable, User guide and safety information, Warranty information1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026

Xiaomi Watch S5 46mm, Magnetic charging dock, User manual (including warranty notice)1Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 2026Package contents: watch, magnetic charging dock, user manual with warranty notice.

Power adapter in boxiA mains/USB power adapter is supplied. A charging cable, inductive puck or charging dock alone does not count.

No1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026Complete In the box table lists the watch, charging line and documents. No power adapter is listed.

No1Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 2026Package contents list no power adapter.

Links

Not compared

Product page

us.nothing.tech/products/cmf-watch-3-pro1Maker product pageus.nothing.tech/products/cmf-watch-3-proRead 8 October 2026

www.mi.com/global/product/xiaomi-watch-s5-46mm2Maker product pagemi.com/global/product/xiaomi-watch-s5-46mmRead 20 October 2026

Spec sheet

Not available

www.mi.com/global/product/xiaomi-watch-s5-46mm/specs1Maker product pagemi.com/global/product/xiaomi-watch-s5-46mm/specsRead 20 October 2026Global specs page. The base values describe the Black version with its black fluororubber strap.

Manual

device.report/m/8c2f45d7b97f7ec2090e0664e6261cb2da3e796a2be0c7412d067c82e791e69d_optim.pdf2Owner's manualdevice.report/m/8c2f45d7b97f7ec2090e0664e6261cb2da3e796a2be0c7412d067c82e791e69d_optim.pdfRead 8 October 2026Original maker foldout, version 2, MODEL D399 and WATCH 3 PRO. English panels appear on the single multilingual PDF page.

Not available

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

Not available

Not available

Warranty

None of 1 known

Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

Not available

Not available

Both are also in the API. Back to all smartwatches.