OPPO Watch Free | 1.64" AMOLED Display | 14-Day Battery Life Smartwatch

Product Features: All-Scenario Sleep Monitoring Continuous SpO2 Monitoring Snore Assessment Up to 14 Days Battery Life 1.64-inch AMOLED Display 33g Ultra-light Design Over 100 Workout Modes Appearance: Color: Vanilla/Black Size: 46.0 mm x 29.7 mm x 10.6 mm (with a 11.4 mm raised section for measuring the heartbeat) Cover: Screen: 2.5D glass / Middle Frame：PC+30%GF / Back: PA+55%GF Strap: Silicone Strap length: Wrist: 130–205 mm Strap width: 19 mm Recommended wrist circumference: 130–205 mm Weight: 20.9 g (without strap), 32.6 g (entire watch) Button: None Screen: Screen type: AMOLED screen Screen size: 1.64 Resolution: 280 x 456 Pixels: 16.7 M Battery: Battery capacity: 230 mAh Required power adapter: Higher than 5V and 500mA Charging method: Magnetic charging Theoretical battery life: 14 days Functionality: Required OS: Android 6.0 or later, iOS 10.0 or later. Bluetooth: BLE 5.0 Body sensor: Six-axis acceleration & gyroscope sensor, optical heart rate sensor, optical blood oxygen sensor, and ambient light sensor Health management: Constant blood oxygen level and snoring monitoring, cardiorespiratory capacity assessment, sleep disturbance analysis, 24-hour heart rate, Daily Activity, and Stand-up Reminder. Water resistance: 5 ATM NFC : Not supported Exercise functionality: Over 100 exercise modes Running courses including jogging, fat-burning running, endurance running and interval running Smart exercise recognition Indoor/outdoor running, indoor/outdoor walking, elliptical machine exercise, and rowing machine exercise Five-minute stand-up relaxation exercise Other functions: AI Smart Watch Face Message Notification Incoming Call Notification Call Rejection Timer Alarm Clock Weather Music Playback Control Find My Phone In the box: Smart Watch x1 Silicone Wristband x1 Charging Base x1 Quick Guide & Security Guide x1