OnePlus Watch4 46mm Evergreen

OnePlus Watch 4

Performance and energy efficiency are handled through a dual-processor setup. On one side, the Qualcomm Snapdragon W5 Gen 1 platform takes care of demanding tasks, while a BES2700 coprocessor handles background operations. Thanks to this, the watch can switch between the Wear OS 5.0 operating system and a low-power RTOS environment. Pairing is only possible with Android 9.0 or later smartphones that have Google Mobile Services (GMS); neither iOS nor Android Go editions are compatible.

1.5-inch LTPO AMOLED Display

The 1.5-inch LTPO AMOLED screen features dynamic refresh technology, lowering energy use when in Always-On Display mode. It delivers a resolution of 466 x 466 pixels (326 dpi) and reaches a peak brightness of 3000 nits, so it stays legible under direct sunlight. A 2.5D sapphire glass covering guards against scratches and impacts.

Resistant

The 47-millimetre case is crafted from surgical-grade stainless steel with a matte black PVD coating. A fluoroelastomer strap with a steel buckle and a 22 mm anchor system is included. For durability, it holds IP69 certification (resistant to high-pressure water jets and temperature), 5ATM water resistance and the MIL-STD-810H military standard.

Up to 100 hours of battery life

With its 646 mAh battery, the watch delivers up to 100 hours in smart mode running Wear OS. Under intensive use (biometric sensors plus active GPS), runtime drops to between 48 and 60 hours, whereas saver mode (RTOS) stretches it to as much as 15 days. VOOC 10W fast charging brings the battery to 100% in 55 minutes.

Optical heart rate monitor

The sensor array comprises an 8-channel optical heart rate monitor (HRV), blood oxygen measurement (SpO2), a skin temperature sensor and electrocardiogram (ECG) hardware. Together, these allow advanced fatigue and recovery metrics to be recorded.

GPS

Positioning relies on a dual-frequency Multi-GNSS L1+L5 system (Beidou, Galileo, GLONASS and QZSS), which boosts accuracy in dense urban settings. Connectivity also includes Bluetooth 5.3, dual-band Wi-Fi and an NFC chip for payments through Google Wallet. This version lacks eSIM support; data transfer happens via the paired smartphone.

• Technical specifications Design Dimensions: 47.0 x 46.6 x 12.1 mm
• Case size: 46 mm
• Weight: 49 g (case) - 80 g (with strap)
• Material: Surgical grade stainless steel
• Strap: Fluoroelastomer (22 mm, interchangeable)
• Colour: Green (matt PVD finish)
• Protection: IP69 - 5ATM - MIL-STD-810H
• Display Size: 1.5"
• Type: LTPO AMOLED
• Resolution: 466 x 466 pixels
• Density: 326 dpi
• Maximum brightness: 3000 nits (peak)
• Protection: 2.5D sapphire glass
• Power and Hardware Processor: Qualcomm Snapdragon W5 Gen 1
• Co-processor: BES2700
• RAM: 2GB
• Storage: 32 GB eMMC
• Sensors and Health Health Sensors: Heart rate (8 channels) - SpO2 - Temperature - ECG
• Motion Sensors: Accelerometer - Gyroscope - Magnetometer - Barometer - Barometer
• Connectivity Bluetooth: Bluetooth 5.3
• Wi-Fi: 2.4 GHz / 5 GHz
• GPS: Dual frequency L1 + L5 (GPS - GLONASS - Galileo - Beidou - QZSS)
• NFC: Yes (Google Wallet)
• Battery Capacity: 646 mAh
• Battery life: Up to 100 h (smart mode) - 48 - 60 h (heavy use) - Up to 15 days (economy mode)
• Fast charging: 10W VOOC (100% in 55 min)
• Software System: Wear OS 5.0
• Compatibility: Android 9.0+ - Google Services (GMS)