Haylou Smart Watch 2 Pro
Chip: developed based on Goodix 5525
Main functions: heart rate, blood oxygen, sleep (deep sleep, light sleep, REM), stress, and health monitoring
Display: 1.85-inch TFT HD large display, resolution 240*284
Strap material: skin-friendly silicone
Waterproof rating: IP68 waterproof
Bluetooth function: music control, smart reminder (message reminder, idle alert), etc.
Battery life: 10-20 days
Mobile phone system: support iOS 9+, Android 6.0+
