LD5 1.54 inch Color Screen Smart Watch, IP67 Waterproof, Support Bluetooth Phone Heart Rate Monitoring Blood Pressure Monitoring Sleep Monitoring About Product 1. Battery capacity: 180mAh 2. Screen resolution: 240*240 3. Waterproof rating: IP67 4. Bluetooth version: BLE 4.0 5. System: Android system 5.0 version or above,iOS system 9.0 version or above 6. Bracelet language:English, Arabic, Persian, Thai, Vietnamese, French, Czech, Turkish, Polish, Russian, Spanish, Portuguese, Greek 7. APP language:English, Arabic, Persian, Thai, Vietnamese, French, Czech, Turkish, Polish, Russian, Spanish, Portuguese, Greek Function 1.Bluetooth phone,heart rate monitoring,blood pressure monitoring,sleep monitoring 2.Step,distance,calories 3.Alarm clock,call reminder,message reminder,remote camera,music control 4.Intelligent menu interface,easily select all features 5.Intelligent voice assistant,find devices,calendar, rasie-to-wake, smart AI,calculator,ringtone settings