OnePlus Watch 4

Display: LTPO OLED
Case sizes: 47.4 mm
Battery: 5 days
Water resistance: 5 ATM
Weight: 43 g

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OnePlus Watch 4 at a glance

Battery

About a week

Up to 5 days in smartwatch mode.
GPS

Multi-band GPS

No maps. Runs and rides without your phone.
Display

LTPO OLED

Up to 3,000 nits.
Health

ECG on the wrist

Measures ECG, blood oxygen and skin temperature.
Phone & smart

Smart features

Payments.
Build

5 ATM water rating

43 g. Sapphire lens. MIL-STD-810.

OnePlus Watch 4 full specifications

Overview

Brand	OnePlus
Model	OnePlus Watch 4
Series	OnePlus Watch
Colours	Midnight Titanium, Evergreen Titanium

Platform & apps

Runs Wear OS.

Operating system	Wear OS
Chipset	Qualcomm Snapdragon W5 Processor + BES 2800
RAM	2,048 MB
Storage	32 GB

Display

A vivid, high-contrast screen that is easy to read indoors and out.

Up to 3,000 nits.

Display type	LTPO OLED
Display name	LTPO OLED flexible display
Resolution	466 x 466
Pixel density	310 ppi
Peak brightness	3,000 nits

Design & durability

A 47.4 mm case weighing 43 g.

Rated 5 ATM: fine for swimming laps and showers. A sapphire lens resists scratches. Tested to MIL-STD-810 for shock, heat and cold.

Case sizes	47.4 mm
Dimensions	47.4 x 47.4 x 11 mm
Thickness	11 mm
Weight (case)	43 g
Weight with band	68 g
Case material	Titanium alloy
Lens	Sapphire crystal
Back material	PA with fiberglass
Band material	Fluororubber
Fits wrists	140-210 mm
Water resistance	5 ATM
IP rating	IP69, IP68
MIL-STD-810 tested	Yes
Operating temperature	0 to 35 °C

Battery

About a week: up to 5 days in smartwatch mode.

Real battery life depends on screen brightness, notifications and workouts.

Battery (smartwatch mode)	5 days
All battery modes	Battery saver: 16 days; Smartwatch: 5 days
Battery capacity	646 mAh
Charging	cradle
Full charge time	75 min

GPS & navigation

Built-in multi-band GPS for accurate tracks, even near tall buildings and trees.

GPS	Built-in
Multi-band GPS	Yes
Satellite systems	GPS, GLONASS, Galileo, BeiDou, QZSS

Health & sensors

A health-focused watch: it measures ECG, blood oxygen and skin temperature.

For sleep, it offers a nightly sleep score. ECG availability can depend on your country.

Sensors	accelerometer, gyroscope, optical HR, SpO2, skin temperature, compass, ambient light, barometer
ECG	Yes
High/low heart-rate alerts	Yes
Blood oxygen (SpO2)	Yes
Skin temperature	Yes
Sleep tracking	Sleep score
Cycle tracking	Yes

Safety

Detects hard falls and can call for help if you don't respond.

Fall detection	Yes

Training

Tracks 100+ sports and activities.

Sport profiles	100
Auto activity detection	Yes
Training metrics	aerobic training effect, cardiopulmonary capacity, recovery time, heart rate recovery rate, track running mode

Smart features

Smart extras include contactless payments.

Voice assistant: Gemini/Google Assistant.

Voice assistant	Gemini/Google Assistant
Contactless payments	Yes
Payment service	Google Wallet
eSIM	No
Wi-Fi	WLAN 2.4G/5G
Bluetooth	Bluetooth 5.2

Specs compiled from OnePlus's product pages and datasheets. Manufacturers revise hardware between versions, so check the version on the box. Spotted an error? Tell us.