Haylou RS4 Max

Haylou RS4 Max Smart Watch Bluetooth Phone Call SpO2 IP68 Strap Magnet Features 1.91" Colorful HD display Bluetooth phone call IP68 waterproof Magnetic strap Safe off-wrist lock Detailed sleep monitoring Online/customized over 100 stylish watch faces 127 Workout modes Health monitoring: Heart rate, blood oxygen (SpO2), stress, sleep, female health, liveness detection,REM, sporadic nap Battery life 9 days daily usage mode and 14 days basic usage mode Material: metal bezel & magnetic strap Specification Product name: Haylou RS4 Max Dimensions: 48.3x39x11.4mm Working temperature: -10 - 45°C Resolution: 320x380px Colors: Midnight Blue, Starlight Silver Bluetooth: V5.3 Water-resistance grade: IP68 Battery life: 9 days (24/7 heart rate monitoring) Display: 1.91-inch LCD display Synced data platform: Haylou Fun Battery: 270mAh Supported devices: Android 6.0 and above, iOS 9.0 and above More features Music control Alarm Bluetooth phone call Stopwatch APP messages Calculator Weather Countdown Medication reminder Water intake reminder Sedentary reminder Packing List Haylou RS4 Max smartwatch x 1 Charging cable x 1 User manual x 1