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OnePlus Watch 4

OnePlusSmartwatch

Watch 4

Released April 2026.4Press articlegadgetsandwearables.com/2026/04/22/oneplus-watch-4-buyRead 20 October 2026Same article, 22 April 2026. GSMArena gives April 2026 as the release month. The Gadgets & Wearables spec table gives 28 April 2026. Last checked 23 October 2026.

Case size
47mm
Platform
Wear OS
Display type
LTPO OLED
Battery life
120h

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General

Series
Watch2Maker product pageoneplus.com/global/oneplus-watch-4Read 20 October 2026OnePlus names the product OnePlus Watch 4, in the OnePlus Watch line.
Model numbers
OPWWE2616Press articlegadgetsandwearables.com/2026/04/16/oneplus-watch-4Read 20 October 2026Leaked final retail box with the product name and model number OPWWE261, matching earlier certification listings. The importer data on the box names the UK, the EU and Poland. OnePlus does not list the model number on its own pages. The OnePlus UK PSTI page lists the Watch Lite as OPWWE262 and has no Watch 4 row.
GTIN / EAN
Not available
Announced
22 April 20263Spec databasegsmarena.com/oneplus_watch_4-14622.phpRead 20 October 2026Launch: announced 2026, April 22.4Press articlegadgetsandwearables.com/2026/04/22/oneplus-watch-4-buyRead 20 October 2026Gadgets & Wearables, 22 April 2026: the watch is official and already listed on the OnePlus website. No price was given.
Status
Available3Spec databasegsmarena.com/oneplus_watch_4-14622.phpRead 20 October 2026Launch: Available. Released 2026, April.
Predecessor
OnePlus Watch 310Reviewnotebookcheck.net/OnePlus-Watch-4-New-Wear-OS-smartwatch-detailed-before-global-release.1275026.0.htmlRead 23 October 2026Notebookcheck's preview says the OnePlus Watch 4 is replacing the OnePlus Watch 3.
Successor
Not available
Launch price (US)
Not available
Launch price (EU)
Not available
Markets
Not available
Colours
Midnight Titanium, Evergreen Titanium1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Design and Material: Midnight Titanium with a Fluororubber strap and Evergreen Titanium with a Mix-Fluororubber strap.
Segment
Smartwatch2Maker product pageoneplus.com/global/oneplus-watch-4Read 20 October 2026The Overview presents a general smartwatch with sports and wellness modes. It has no outdoor, dive or sport-only positioning.
OS updates promised
Not available
Security updates until
Not available

Case

Front and side, drawn to scale.

Case size
47mm7Reviewsmartzone.de/oneplus-watch-4-im-testRead 20 October 2026Review: only the 47 mm variant is on sale. The maker prints 47.4 mm and does not name a marketed size.
Case shape
Round4Press articlegadgetsandwearables.com/2026/04/22/oneplus-watch-4-buyRead 20 October 2026The article describes a premium watch with a round screen.
Case material
Titanium1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Design and Material, Case: Titanium alloy. The Overview calls it an all-titanium watch body.
Case material (as published)
Titanium alloy1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Design and Material, Case: Titanium alloy.
Back
PA with fiberglass1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Design and Material, Bottom case: PA with fiberglass.
Case dimensions
Height47.4Width47.4Thickness11mm(1.9 × 1.9 × 0.4 in)1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Size and Weight, Dimensions: 47.4 x 47.4 x 11.0 mm. The page does not say whether the sensor area is included. The Overview text calls the 11 mm a diameter, which is the thickness.
Weight (case only)
43g(1.5 oz)1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Size and Weight: main part about 43 g without strap.
Weight with strap
68g(2.4 oz)1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Size and Weight: the whole machine is about 68 g with wrist strap.

Durability

Water resistance
5ATM1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Durability: 5ATM, IP69, IP68.
Water resistance standard
Not available
Dust and water rating
IP68, IP691Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Durability: 5ATM, IP69, IP68. Overview footnote 4: IP68 and IP69 under GB/T 4208-2017, tested at 1.5 m for 30 minutes and with high-temperature, high-pressure water jets. Not a rating for saltwater use or beach use.
Dive rating
Not available
Max dive depth
Not available
MIL-STD-810
Yes1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Durability: Military-grade certification MIL-STD-810H. Overview footnote 3: tested and certified for 16 items.2Maker product pageoneplus.com/global/oneplus-watch-4Read 20 October 2026Overview: built to MIL-STD-810H military-grade standards.
MIL-STD-810 tests
Altitude, High temperature, Low temperature, Temperature shock, Solar radiation, Rain, Damp heat, Salt spray, Sand and dust, Immersion, Vibration, Shock, Temperature-humidity-altitude, Fluid contamination, Acidic atmosphere, Freezing rain2Maker product pageoneplus.com/global/oneplus-watch-4Read 20 October 2026Overview disclaimer 3 lists 16 items: altitude, high temperature, low temperature, temperature shock, solar radiation, rain, damp heat, salt spray, sand dust, immersion, vibration, shock, temperature-humidity-altitude, fluid contamination, acidic atmosphere and freezing rain.
Operating temperature
Min0Max35°C1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Durability: the product can operate normally within an ambient temperature range of 0 to 35 degrees, at 5 to 95 percent relative humidity without condensation. Military test extremes and charging limits are separate.

Display

Display type
LTPO OLED1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Display, Screen: LTPO OLED flexible display.
Display type (as published)
LTPO OLED flexible display1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026
Screen size
1.5in(3.8 cm)3Spec databasegsmarena.com/oneplus_watch_4-14622.phpRead 20 October 2026Display, Size: 1.5 inches. This fits 466 pixels at 310 ppi.
Resolution
466 × 466px1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Display, Resolution: 466 x 466 pixels.
Pixel density
310ppi1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Display, PPI: 310 PPI. One reviewer prints 439 ppi, which does not fit 466 pixels on a 1.5 inch display.
Display area
Not available
Touchscreen
Yes2Maker product pageoneplus.com/global/oneplus-watch-4Read 20 October 2026Overview: wet-hand touch control.
Max refresh rate
Not available
Min refresh rate
Not available
Peak brightness
3,000nits1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Brightness: default maximum 600 nits typical, 1500 nits typical when activated in strong sunlight, and a peak of 3000 nits only in the official self-developed sports mode in strong sunlight. The stored 3000 nits is that conditional peak, not a full-screen or default figure.
Minimum brightness
Not available
Always-on display
Yes2Maker product pageoneplus.com/global/oneplus-watch-4Read 20 October 2026Disclaimers 5 and 6 treat AOD as a setting that is off in the 5 day smart mode figure.
Display cover
Sapphire1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Display, Cover glass: Sapphire Crystal.
Display cover (as published)
Sapphire Crystal1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026

Platform

Platform
Wear OS1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Operating System: Android/Wear OS version Wear OS 6.0. One database says Wear OS 7.0, which the maker page does not.
OS at launch
Wear OS 6.01Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Operating System: Wear OS 6.0 with the OxygenOS Watch 8 watch version.
Software
OxygenOS Watch 81Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Operating System, Watch version: OxygenOS Watch 8.
Latest OS
Not available
Works with
Android2Maker product pageoneplus.com/global/oneplus-watch-4Read 20 October 2026Disclaimer 5: pairing with the OHealth app, Android 9.0 and above with GMS 23.45.23 and above. iOS and Android (Go edition) are not supported.
Phone requirement
Android 9.0 or later with Google Mobile Services 23.45.23 or later and the OHealth app. iOS and Android Go are not supported.2Maker product pageoneplus.com/global/oneplus-watch-4Read 20 October 2026Disclaimer 5, shortened.
App store
Yes7Reviewsmartzone.de/oneplus-watch-4-im-testRead 20 October 2026Review: Wear OS gives access to the Google Play Store.9Reviewbasic-tutorials.com/reviews/mobile-device-reviews/oneplus-watch-4-reviewRead 20 October 2026Review: the Play Store with watch apps is available.
Voice assistants
Gemini, Google Assistant1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Voice assistant: Gemini/Google Assistant.
Chipset
Qualcomm Snapdragon W51Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Chip and Storage, Processor: Qualcomm Snapdragon W5 Processor and BES 2800. The Overview names a Dual-Engine Architecture.
Process
4nm3Spec databasegsmarena.com/oneplus_watch_4-14622.phpRead 20 October 2026Platform, Chipset: Qualcomm Snapdragon W5 Gen 1 (4 nm). The BES2800 coprocessor is not this node.
CPU cores
Not available
CPU configuration
Not available
Max CPU clock
Not available
GPU
Not available
Low-power coprocessor
BES28001Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Chip and Storage: BES 2800 next to the Snapdragon W5. The Overview calls the pair a dual-engine architecture.

Memory

RAM
2GB1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Chip and Storage, Storage: RAM 2GB.
Storage
32GB1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Chip and Storage, Storage: ROM 32GB. Total storage, user space is not stated.

Health sensors

Heart rate sensor
Optical heart rate sensor1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Sensor: optical heart rate sensor. The channel count is not stated.
ECG capability
Yes2Maker product pageoneplus.com/global/oneplus-watch-4Read 20 October 2026Disclaimer 8: the activation time of the ECG function in the 60s Wellness Overview depends on the progress of local ECG function certification and registration. The sensor list on the Specs page names no separate electrical sensor.7Reviewsmartzone.de/oneplus-watch-4-im-testRead 20 October 2026Review: ECG is listed as a measurement and is enabled in Germany. The review sample was tested in Germany. Another review says the ECG is part of the 60 second check and is not an independent app.
Blood oxygen sensing
Yes1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Sensor: optical blood oxygen sensor. Health and Workout: manual SpO2, all-day SpO2 tracking and low SpO2 indicators.
Skin temperature sensing
Yes1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Sensor: wrist temperature sensor. Health and Workout: wrist temperature monitoring supported.
Blood pressure feature
Not available
Body composition sensor
Not available
Skin conductance (EDA)
Not available
Medical clearances
Not available

Motion and environment sensors

Accelerometer
Yes1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026
Accelerometer range
Not available
Gyroscope
Yes1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026
Barometric altimeter
Yes1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Sensor: air pressure sensor.
Compass
Yes1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Sensor: geomagnetic sensor.
Ambient light sensor
Yes1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 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, Sleep tracking, Stress tracking, Cycle tracking1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Health and Workout: heart rate monitoring with high and low alerts, resting heart rate, sleep quality assessment, manual and all-day SpO2 and Cycle Tracker. Stress tracking is from the review sources. The 60s Wellness Overview and the ECG function depend on local certification and are not stored as an ECG app.7Reviewsmartzone.de/oneplus-watch-4-im-testRead 20 October 2026Review lists pulse, SpO2, skin temperature, sleep, stress and altitude as measured values. ECG is enabled in Germany.
Fitness features
Automatic workout detection, Recovery advice, Running dynamics, Running power, Pool swim1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Health and Workout: 6 types of automatic recognition (running, walk, cycling, swimming, rowing machine, elliptical machine), recovery time, indoor swimming as a professional mode, and running footnote 11 naming vertical ratio and running power data. Open water swimming is announced for a later OTA update and is not stored. Aerobic training effect and cardiopulmonary capacity are listed but are not stored as VO2 max.2Maker product pageoneplus.com/global/oneplus-watch-4Read 20 October 2026Disclaimer 10: professional sport mode for 11 sports including running, skiing, tennis, badminton, indoor swimming, jump rope, hiking, walking, cycling, elliptical and rowing. Disclaimer 11: running data such as vertical ratio and running power are not available in indoor runs, which means they exist for outdoor runs. A pacer function and lactate threshold monitoring are named as advanced running features.9Reviewbasic-tutorials.com/reviews/mobile-device-reviews/oneplus-watch-4-reviewRead 20 October 2026Review: the professional running mode gives step frequency, vertical oscillation, ground contact time and cadence. It also lists 11 professional sports modes and a pace assistant.
Sport profiles
Not available
Dive modes
Not available
External sensors
Not available

Safety

Fall detection
Yes1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Health and Workout, Emergency Rescue: Fall Detection. The page does not say who is notified.
Car crash detection
Not available
Emergency SOS
Not available
Emergency siren
Not available
Live location sharing
Not available
Dedicated LED flashlight
Not available

Positioning

Positioning
GPS (L1 + L5), BeiDou, Galileo, GLONASS, QZSS1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026GNSS: Dual band L1+L5: Beidou, GPS, Galileo, GLONASS, QZSS. The band applies to the group as printed.
Dual-band GNSS
Yes1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026GNSS: Dual band L1+L5.
Offline maps
Not available

Connectivity

Bluetooth
Yes1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026
Bluetooth version
5.21Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Bluetooth: Bluetooth 5.2.
Wi-Fi
Yes1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026
Wi-Fi standard
Not available
Wi-Fi bands
2.4 GHz, 5 GHz1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Wi-Fi: WLAN 2.4G/5G. The standard is not stated.
Cellular
No1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026eSIM: Unsupported. No LTE model is listed.
Network
Not available
4G bands
Not available
5G bands
Not available
NFC
Yes1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026NFC: Supported.
Contactless payments
Yes1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026
Payment services
Google Wallet1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Mobile Payment: Google Wallet.
Ultra-wideband
Not available
Satellite
Not available
ANT+
Not available

Audio

Speaker
Yes3Spec databasegsmarena.com/oneplus_watch_4-14622.phpRead 20 October 2026Sound, Loudspeaker: Yes. Smartwatch review sources confirm a speaker.
Microphones
18Reviewprofesionalreview.com/2026/06/01/oneplus-watch-4-review/ampRead 20 October 2026Review of the underside: a microphone on the right side and a speaker opening on the left side, with four charging contacts. The review names one microphone.
Calls on the watch
Phone only7Reviewsmartzone.de/oneplus-watch-4-im-testRead 20 October 2026Review: you can only make calls when the phone is nearby. There is no eSIM.
Music on the watch
Yes7Reviewsmartzone.de/oneplus-watch-4-im-testRead 20 October 2026Review: music storage on the 32 GB and native offline playback with Spotify from the Play Store.

Controls

Buttons
17Reviewsmartzone.de/oneplus-watch-4-im-testRead 20 October 2026Review: the rotating knob is not counted. One extra Workout button. The Spanish review describes an upper wheel and a lower flat button.8Reviewprofesionalreview.com/2026/06/01/oneplus-watch-4-review/ampRead 20 October 2026Review: two controls on the right side. An upper wheel and a lower flat button.
Named operating buttons
Workout button7Reviewsmartzone.de/oneplus-watch-4-im-testRead 20 October 2026Review: the additional Workout button. The Spanish review says the lower button opens the sport list.
Crown
Rotating7Reviewsmartzone.de/oneplus-watch-4-im-testRead 20 October 2026Review: rotating and pressable knob plus an extra workout button. The Spanish review also describes a metal wheel that turns and presses. Haptic feedback is not stated.8Reviewprofesionalreview.com/2026/06/01/oneplus-watch-4-review/ampRead 20 October 2026Review: the upper right button is a metal wheel that turns and presses.
Rotating bezel
Not available
Gestures
Raise wrist to wake7Reviewsmartzone.de/oneplus-watch-4-im-testRead 20 October 2026Review: the display wakes when the wrist is turned.

Battery and charging

Battery capacity
646mAh1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Battery Life, Battery capacity: 646 mAh typical and 632 mAh rated. The typical figure is stored because it is the number used in the maker's and reviewers' headline.
Claimed battery life
ModeWith solarHours (h)
SmartwatchNo120
Heavy useNo72
Low powerNo384
Source1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Battery Life: 5 days in smart mode, 3 days for heavy use and 16 days in power saver mode. Days are stored as hours. Overview footnote 6 says the 5 days use the official watch face, AOD off, default health monitoring, 220 wrist raises, 130 messages, 20 minutes of screen use, 30 minutes of outdoor running and 15 minutes of music per day. Footnote 7 says the 16 days use all-day Bluetooth, 90 minutes of outdoor workouts a week, 180 wrist raises and 180 messages a day, and 6 hours of sleep detection.2Maker product pageoneplus.com/global/oneplus-watch-4Read 20 October 2026Overview: 5 days in smart mode and 16 days in power-saver mode. Disclaimer 6 gives the 5 day usage case with AOD off. Disclaimer 7 gives the 16 day usage case.
Smartwatch mode (claimed)
120h
AOD battery life (up to)
Not available
GPS mode (claimed)
Not available
Solar charging
Not available
Charging method
Not available
Charging guidance
Not available
Max charging power (watch)
7.5W1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Battery Life, Max charging power: about 7.5 W. Stored as a maker figure for the watch.
Fast charging
Not available
Quick charge claim
Not available
Charge 0 to 80% (claimed)
Not available
Full charge time (claimed)
75min1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Battery Life, Max charging time: about 75 minutes. The page does not name the charger or the start level.

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
22mm7Reviewsmartzone.de/oneplus-watch-4-im-testRead 20 October 2026Review: the supplied strap uses a standard 22 mm attachment, so it is easy to change.
Quick-release strap
Not available
Strap system
Standard 22 mm watchbands7Reviewsmartzone.de/oneplus-watch-4-im-testRead 20 October 2026Review: standard 22 mm attachment.
Strap material
Fluoroelastomer1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Design and Material, Strap: Fluororubber on Midnight Titanium and mixed fluororubber on Evergreen Titanium. Fluororubber is stored as fluoroelastomer.
Strap
Not available
Strap sizes
Wrist (min) (mm)Wrist (max) (mm)
140210
Source1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026Design and Material, Wrist size: 140 mm-210 mm. This is the range of the supplied strap.

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
Watch body, Charging base, Strap, USB-C charging cable, User Guide & Safety and Warranty Booklet1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026In The Box: watch body, charging base, strap, USB-C charging cable, user guide and safety and warranty booklet.
Power adapter in box
No1Maker product pageoneplus.com/global/oneplus-watch-4/specsRead 20 October 2026In The Box lists a charging base and a USB-C charging cable and no power adapter.

Warranty

We could not find any of these 1 fields. Show them
Manufacturer warranty (source market)
Not available

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Sources

We read 10 sources for this smartwatch. The numbers match the markers in the sheet.

  1. Read 20 October 2026Backs 56 fields
  2. Read 20 October 2026Backs 12 fields
  3. Read 20 October 2026Backs 5 fields
  4. Read 20 October 2026Backs 3 fields
  5. Read 20 October 2026Backs 1 field
  6. Read 20 October 2026Backs 1 field
  7. Read 20 October 2026Backs 12 fields
  8. Read 20 October 2026Backs 3 fields
  9. Read 20 October 2026Backs 2 fields
  10. Read 23 October 2026Backs 1 field

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PredecessorOnePlus Watch 3