OnePlus Watch 4
Specs verified 2026-10-31 · source
OnePlus's titanium Wear OS 6 watch pairs a 466 x 466 LTPO OLED display under sapphire with the Snapdragon W5 and a BES2800 co-processor, a 646 mAh battery rated for 5 days in smart mode and 16 days in power saver, and 5ATM, IP69 and MIL-STD-810H ratings.
Official product pageAt a glance
Device overview
Display
LTPO OLED flexible display, sapphire crystal, 310 PPI, with 466 x 466 resolution and up to 3000 nits peak brightness.
Chip
Powered by Qualcomm Snapdragon W5 + BES2800.
Health & sensors
Health and sensor features: Optical heart rate, optical blood oxygen, wrist temperature, acceleration, gyroscope, geomagnetic, ambient light, air pressure.
Battery
Equipped with a 646 mAh battery rated for 5 days (smart mode); 16 days (power saver); 3 days (heavy use).
Connectivity
Supports WLAN 2.4G/5G, Bluetooth 5.2, None (no eSIM), and Google Wallet.
Case & design
Measures 47.4 x 47.4 x 11.0 mm and weighs About 68 g with strap; about 43 g without strap, with 5ATM, IP69, IP68; MIL-STD-810H water resistance and Titanium alloy case; PA with fiberglass bottom case; sapphire crystal cover.
Specifications
| Design & Build | |
| Water resistance | 5ATM, IP69, IP68; MIL-STD-810H |
|---|---|
| Colors | Midnight Titanium, Evergreen Titanium |
| Weight | About 68 g with strap; about 43 g without strap |
| Case dimensions | 47.4 x 47.4 x 11.0 mm |
| Build materials | Titanium alloy case; PA with fiberglass bottom case; sapphire crystal cover |
| Display | |
| Display | LTPO OLED flexible display, sapphire crystal, 310 PPI |
| Peak brightness | 3000 nits |
| Resolution | 466 x 466 |
| Performance | |
| Chipset model name | Snapdragon W5 |
| Chipset | Qualcomm Snapdragon W5 + BES2800 |
| Memory & Storage | |
| Storage | 32 GB |
| Battery & Charging | |
| Charging time | About 75 minutes (about 7.5W) |
| Battery capacity | 646 mAh |
| Battery life | 5 days (smart mode); 16 days (power saver); 3 days (heavy use) |
| Connectivity | |
| Wi-Fi | WLAN 2.4G/5G |
| Bluetooth | Bluetooth 5.2 |
| Contactless payments | Google Wallet |
| Cellular connectivity | None (no eSIM) |
| Positioning | Dual-band L1+L5: Beidou, GPS, Galileo, GLONASS, QZSS |
| Software | |
| Operating system at launch | OxygenOS Watch 8, Wear OS 6.0 |
| Security & Sensors | |
| Health sensors | Optical heart rate, optical blood oxygen, wrist temperature, acceleration, gyroscope, geomagnetic, ambient light, air pressure |
Sources & verification
This device is fully verified: every required fact is confirmed from a Tier 1 (manufacturer/official) source.
- OnePlusManufacturer specificationsTier 1
Tier 1 sources are the manufacturer's own product pages, technical specification sheets, or support documentation. Tier 2 sources are reputable independent technical references, used only for facts that couldn't be confirmed from official documentation. Last verified 2026-10-31.