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Amazfit Active 2 (Square)

AmazfitSmartwatch

Active 2 (Square)

Released June 2025.5Press releasenasdaq.com/press-release/amazfit-expands-active-2-lineup-new-active-2-square-all-same-features-now-sleekRead 15 October 2026Business Wire release of 16 June 2025, published on Nasdaq 17 June 2025: available beginning today on Amazfit.com and Amazon Last checked 15 October 2026.

Case size
36.9mm
Platform
Proprietary
Display type
OLED
Battery life
240h

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At a glance

All specs

SourceCalculated

General

Series
Active1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026Listed in the Explore other Active models block
Model numbers
W2440GL3N, ACITVESBK-C0077035004, A2440, A2434, W2434GL2N1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026US SKU W2440GL3N2Maker product pageeu.amazfit.com/products/active-2-squareRead 15 October 2026EU SKU as the maker prints it: ACITVESBK-C0077035004. Retailer euronics.ie lists the black Active 2 Square as code 146-W2434GL2N, so W2434GL2N is kept as a model number without a variant row9Retailer pageeuronics.ie/products/amazfit-active-2-square-smartwatch-amoled-fitness-lifestyle-watchRead 15 October 2026Product code 146-W2434GL2N for Amazfit Active 2 Square Black. The manual names regulatory models A2434 and A2440
GTIN / EAN
850071618334, 69725961088181Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026US barcode from the Shopify product feed: 8500716183342Maker product pageeu.amazfit.com/products/active-2-squareRead 15 October 2026EU barcode from the Shopify product feed: 6972596108818
Announced
January 20255Press releasenasdaq.com/press-release/amazfit-expands-active-2-lineup-new-active-2-square-all-same-features-now-sleekRead 15 October 2026The release says the Active 2 Square debuted at CES 2025. The exact day is not stated
Status
Available1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026
Predecessor
Not available
Successor
Not available
Launch price (US)
$149.995Press releasenasdaq.com/press-release/amazfit-expands-active-2-lineup-new-active-2-square-all-same-features-now-sleekRead 15 October 2026Priced at USD 149.99. US price excludes tax
Launch price (EU)
€149.95Press releasenasdaq.com/press-release/amazfit-expands-active-2-lineup-new-active-2-square-all-same-features-now-sleekRead 15 October 2026Priced at EUR 149.90, as published with VAT. The German Amazfit store lists the same price
Markets
US, EU1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 20262Maker product pageeu.amazfit.com/products/active-2-squareRead 15 October 2026EU store sells it
Colours
Black (with additional red strap), Black Leather1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026US store option Black (with additional red strap)2Maker product pageeu.amazfit.com/products/active-2-squareRead 15 October 2026EU store option Black Leather
Segment
Smartwatch1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026Marketed as an everyday health and fitness smartwatch. The sport profile count is stated only as 160+
OS updates promised
Not available
Security updates until
Not available

Case

Front and side, drawn to scale.

Case size
36.9mm1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026Compare block lists a 36.9mm case width. The square case has no diameter, so this is the case width
Case shape
Rectangular7Reviewgadgetsandwearables.com/2025/06/17/amazfit-active-2-square-vs-roundRead 15 October 2026Square body in the comparison table. The schema has no square option, so rectangular
Case material
Mixed materials1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026
Case material (as published)
Stainless steel bezel, Fiber-reinforced polymer case1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026Technical Specifications, Body Material
Back
Not available
Case dimensions
Height43.32Width36.9Thickness9mm(1.7 × 1.5 × 0.4 in)1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026Dimensions without heart rate base: 43.32 x 36.9 x 9 mm, read as height x width x thickness
Weight (case only)
31.4g(1.1 oz)1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026Without strap
Weight with strap
Not available

Durability

Water resistance
5ATM1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026Footnote 4: 5 ATM per ISO 22810:2010, SGS report SHES250300481871. Suitable for splashes, snow, showering or swimming
Water resistance standard
ISO 22810:20101Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026Footnote 4
Dust and water rating
Not available
Dive rating
Not available
Max dive depth
Not available
MIL-STD-810
Not available
MIL-STD-810 tests
Not available
Operating temperature
Min0Max45°C4Owner's manualsupport.amazfit.com/en/amazfit_active_2%28square%29/imgs/electronic_manual.pdfRead 15 October 2026Basic Parameters, page 5: 0 to 45 degrees C. Model numbers A2434 and A2440 are printed in the same table

Display

Display type
OLED1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026
Display type (as published)
AMOLED1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026
Screen size
1.75in(4.4 cm)1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026
Resolution
390 × 450px1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026
Pixel density
341ppi1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026
Display area
Not available
Touchscreen
Yes3Owner's manualsupport.amazfit.com/en/amazfit_active_2%28square%29/files/user-manual.pdf.pdfRead 15 October 2026Basic operations, pages 2-3: tap and swipe on the screen
Max refresh rate
Not available
Min refresh rate
Not available
Peak brightness
2,000nits1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026Footnote 1: 2,000 nits is not supported if battery life is below 30 percent. Depending on the environment the watch can reach up to 2,000 nits with automatic brightness enabled
Minimum brightness
Not available
Always-on display
Yes3Owner's manualsupport.amazfit.com/en/amazfit_active_2%28square%29/files/user-manual.pdf.pdfRead 15 October 2026Always On Display section, page 4
Display cover
Sapphire1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026
Display cover (as published)
Sapphire glass1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026Spec row lists a sapphire cover. The page copy names scratch-resistant sapphire glass

Platform

Platform
Proprietary8Maker product pagedocs.zepp.com/docs/reference/related-resources/device-listRead 15 October 2026Zepp OS developer documentation lists the watch as a Zepp OS device
OS at launch
Zepp OS 5.07Reviewgadgetsandwearables.com/2025/06/17/amazfit-active-2-square-vs-roundRead 15 October 2026The Square comes with ZeppOS 5.0 out of the box. One Russian launch article says 4.5, which contradicts this
Software
Not available
Latest OS
Zepp OS 5.08Maker product pagedocs.zepp.com/docs/reference/related-resources/device-listRead 15 October 2026Amazfit Active 2 (Square) row: latest Zepp OS version 5.0. Latest API level 4.2 is separate
Works with
Android, iOS1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026
Phone requirement
Android 7.0 and above, iOS 15.0 and above1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026Supported Devices: Android 7.0 and above, iOS 15.0 and above
App store
Yes3Owner's manualsupport.amazfit.com/en/amazfit_active_2%28square%29/files/user-manual.pdf.pdfRead 15 October 2026Mini App installation, page 36: download and install more apps in the app store
Voice assistants
Zepp Flow1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026
Chipset
Not available
Process
Not available
CPU cores
Not available
CPU configuration
Not available
Max CPU clock
Not available
GPU
Not available
Low-power coprocessor
Not available

Memory

We could not find any of these 2 fields. Show them
RAM
Not available
Storage
Not available

Health sensors

Heart rate sensor
BioTracker 6.0 PPG biosensor (dual LED, 5PD)1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026Sensors, Health: BioTracker 6.0 PPG biometric sensor. The launch release names a dual-LED and 5PD build
ECG capability
No6Spec databasegadgetsandwearables.com/technical-specs/amazfit-active-2-squareRead 15 October 2026Electrical heart rate row says No and ECG says No
Blood oxygen sensing
Yes1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026
Skin temperature sensing
Yes1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 202624H Monitoring lists skin temperature (thermometer)
Blood pressure feature
None6Spec databasegadgetsandwearables.com/technical-specs/amazfit-active-2-squareRead 15 October 2026Blood pressure row says No
Body composition sensor
No6Spec databasegadgetsandwearables.com/technical-specs/amazfit-active-2-squareRead 15 October 2026Body composition row says No
Skin conductance (EDA)
No6Spec databasegadgetsandwearables.com/technical-specs/amazfit-active-2-squareRead 15 October 2026Galvanic skin response row says No
Medical clearances
Not available

Motion and environment sensors

Accelerometer
Yes1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026
Accelerometer range
Not available
Gyroscope
Yes1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026
Barometric altimeter
Yes1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026
Compass
Yes3Owner's manualsupport.amazfit.com/en/amazfit_active_2%28square%29/files/user-manual.pdf.pdfRead 15 October 2026Compass app, page 34. The sensor list names a geomagnetic sensor
Ambient light sensor
Yes1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026
Depth gauge
Not available
Depth gauge range
Not available
Water temperature sensor
Not available

Health and fitness

Health features
Continuous heart rate, Heart rate alerts, Blood oxygen app, Heart rate variability, Sleep tracking, Sleep stages, Stress tracking, Readiness score, Cycle tracking1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 202624H heart rate, blood oxygen and stress. Alerts for abnormally high and low heart rate and low blood oxygen. Sleep HRV and sleep stages. Daily readiness score. Menstrual cycle tracking. Not medical devices (footnote 2)
Fitness features
Automatic workout detection, VO2 max, Training load, Recovery advice, Pool swim, Open water swim, Strength rep counting, Interval workouts, Route navigation, Turn-by-turn navigation, Trackback, Ski resort maps1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026Smart recognition of 8 sports movements. Strength training counts reps, sets and rest. Pool and open water swimming modes. Interval training on the watch. Downloadable maps with turn-by-turn directions. Ski resort maps. VO2 max, training load and recovery come from the manual
Sport profiles
Not available
Dive modes
Not available
External sensors
Heart rate strap, Power meter, Speed and cadence1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026Heart rate belt, running and cycling power meter, cycling speedometer and cadence meter. Footnote 17: BLE devices only

Safety

Fall detection
No6Spec databasegadgetsandwearables.com/technical-specs/amazfit-active-2-squareRead 15 October 2026Navigation, safety and special features row says No
Car crash detection
Not available
Emergency SOS
No6Spec databasegadgetsandwearables.com/technical-specs/amazfit-active-2-squareRead 15 October 2026Emergency SOS row says No
Emergency siren
Not available
Live location sharing
Not available
Dedicated LED flashlight
No6Spec databasegadgetsandwearables.com/technical-specs/amazfit-active-2-squareRead 15 October 2026LED flashlight row says No. The manual Control Center lists a Flashlight control that lights the screen

Positioning

Positioning
GPS, GLONASS, Galileo, BeiDou, QZSS6Spec databasegadgetsandwearables.com/technical-specs/amazfit-active-2-squareRead 15 October 2026GNSS rows list GPS, Galileo, GLONASS, QZSS and BeiDou. This matches the maker's five satellite systems
Dual-band GNSS
Not available
Offline maps
Yes1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026Free downloadable maps from the Zepp App with turn-by-turn directions. Footnote 5: OSM map files imported to the watch

Connectivity

Bluetooth
Yes1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026
Bluetooth version
5.21Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026Connection: Bluetooth 5.2, BLE
Wi-Fi
Not available
Wi-Fi standard
Not available
Wi-Fi bands
Not available
Cellular
No6Spec databasegadgetsandwearables.com/technical-specs/amazfit-active-2-squareRead 15 October 2026Cellular row says No
Network
Not available
4G bands
Not available
5G bands
Not available
NFC
Yes2Maker product pageeu.amazfit.com/products/active-2-squareRead 15 October 2026Zepp Pay Contactless Payment section: NFC technology. The US page names Zepp Pay NFC only in the battery test scenario
Contactless payments
Yes2Maker product pageeu.amazfit.com/products/active-2-squareRead 15 October 2026Zepp Pay binds up to eight bank cards. Footnote 14: supported by Curve and participating issuer banks in 31 European countries. Only usable for payments in Europe
Payment services
Zepp Pay2Maker product pageeu.amazfit.com/products/active-2-squareRead 15 October 2026Zepp Pay, in Europe through Curve
Ultra-wideband
No6Spec databasegadgetsandwearables.com/technical-specs/amazfit-active-2-squareRead 15 October 2026UWB row says No
Satellite
Not available
ANT+
No1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026Footnote 17: connection to peripheral devices only supports BLE devices

Audio

Speaker
Yes1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026Spec table: Mic and Speaker: Support
Microphones
Not available
Calls on the watch
Phone only1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026FAQ: Bluetooth phone calls through the paired phone. No cellular model
Music on the watch
No7Reviewgadgetsandwearables.com/2025/06/17/amazfit-active-2-square-vs-roundRead 15 October 2026Comparison table: Music storage No for the Square. The full manual only has phone music controls

Controls

Buttons
24Owner's manualsupport.amazfit.com/en/amazfit_active_2%28square%29/imgs/electronic_manual.pdfRead 15 October 2026About the Watch, page 1 shows two buttons. The maker spec table lists Buttons: 2
Named operating buttons
Upper button, Lower button4Owner's manualsupport.amazfit.com/en/amazfit_active_2%28square%29/imgs/electronic_manual.pdfRead 15 October 2026About the Watch, page 1: an upper and a lower button
Crown
None4Owner's manualsupport.amazfit.com/en/amazfit_active_2%28square%29/imgs/electronic_manual.pdfRead 15 October 2026No crown is shown or described. The watch has two buttons and a touchscreen
Rotating bezel
Not available
Gestures
Cover the screen to turn it off3Owner's manualsupport.amazfit.com/en/amazfit_active_2%28square%29/files/user-manual.pdf.pdfRead 15 October 2026Common gesture operations, page 3: cover the screen to turn it off

Battery and charging

Battery capacity
260mAh1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026260 mAh (rated value)
Claimed battery life
ModeWith solarHours (h)
SmartwatchNo240
Low powerNo456
Heavy useNo120
GPSNo21
Source1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026Typical use 10 days (240 h), battery saver 19 days (456 h), heavy use 5 days (120 h), continuous GPS 21 h. Footnote 8: typical use is HR every 10 minutes, sleep monitoring, five daily SpO2 readings, 150 notifications a day and three 30-minute GPS workouts a week. Heavy use is HR every minute with stress and sleep-breathing monitoring and longer screen use. Battery saver turns off health monitoring and GPS. The maker does not state the GPS mode or satellite systems for the 21 h figure
Smartwatch mode (claimed)
240h
AOD battery life (up to)
Not available
GPS mode (claimed)
21h
Solar charging
Not available
Charging method
Magnetic pins4Owner's manualsupport.amazfit.com/en/amazfit_active_2%28square%29/imgs/electronic_manual.pdfRead 15 October 2026Charging the Watch, page 3: metal contacts on the back of the watch meet the charging base. USB-C attaches to the base
Charging guidance
Charges on the supplied magnetic charging base. A USB-C cable is not included. The manual recommends a power adapter with a charging current of 1 A or above.4Owner's manualsupport.amazfit.com/en/amazfit_active_2%28square%29/imgs/electronic_manual.pdfRead 15 October 2026Charging the Watch, page 3: use the supplied base and a power adapter with a charging current of 1 A or above
Max charging power (watch)
Not available
Fast charging
Not available
Quick charge claim
Not available
Charge 0 to 80% (claimed)
Not available
Full charge time (claimed)
120min1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026Theoretical charging duration approx. 2 hours. The FAQ says about 2 hours from empty. Maker claim, no adapter named

Measured

We could not find any of these 4 fields. Show them
Peak brightness (measured)
Not available
Battery life (measured)
Not available
Battery tests (measured)
Not available
Full charge time (measured)
Not available

Strap

Lug width
20mm1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026Strap Width: 20mm
Quick-release strap
Yes2Maker product pageeu.amazfit.com/products/active-2-squareRead 15 October 2026Strap, Materials: Leather, Quick release
Strap system
20 mm quick release2Maker product pageeu.amazfit.com/products/active-2-squareRead 15 October 2026Strap, Width: 20mm, Materials: Leather, Quick release. The silicone strap range is also 20 mm
Strap material
Leather1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026Standard strap is leather. The US package adds a red sport silicone strap
Strap
Not available
Strap sizes
SizeWrist (min) (mm)Wrist (max) (mm)
Leather strap150210
Silicone strap135195
Source1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026Min. and Max. Wrist Dimensions: leather 150-210 mm, silicone 135-195 mm

Regulatory

We could not find any of these 4 fields. Show them
FCC ID
Not available
SAR limb (US)
Not available
SAR limb (EU)
Not available
Other certifications
Not available

In the box

In the box
Smartwatch (including standard strap and additional red sport silicone strap), Magnetic charging base (no USB Type-C cable), Instruction manual1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026Packing list, US package2Maker product pageeu.amazfit.com/products/active-2-squareRead 15 October 2026EU packing list lists the standard strap only
Power adapter in box
No1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 2026Magnetic charging base without USB-C cable

Warranty

Manufacturer warranty (source market)
1year1Maker product pageus.amazfit.com/products/active-2-squareRead 15 October 20261 year warranty, US store

Compare with

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Variants

Each variant lists only what differs from the specs above.

Model numberGTINLaunch price (US)Launch price (EU)MarketsColoursIn the box
W2440GL3N850071618334$149.99Not availableUSBlack (with additional red strap)Smartwatch (including standard strap and additional red sport silicone strap), Magnetic charging base (no USB Type-C cable), Instruction manual
ACITVESBK-C00770350046972596108818Not available€149.9EUBlack LeatherSmartwatch (including standard strap), Magnetic charging base (no USB Type-C cable), Instruction manual

Sources

We read 9 sources for this smartwatch. The numbers match the markers in the sheet.

  1. Read 15 October 2026Backs 53 fields
  2. Read 15 October 2026Backs 11 fields
  3. Read 15 October 2026Backs 6 fields
  4. Read 15 October 2026Backs 6 fields
  5. Read 15 October 2026Backs 4 fields
  6. Read 15 October 2026Backs 10 fields
  7. Read 15 October 2026Backs 3 fields
  8. Read 15 October 2026Backs 2 fields
  9. Read 15 October 2026Backs 1 field

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