About Product 1. Battery capacity: 200mAh 2. Screen resolution: 240*240 3. Waterproof rating: IP67 4. Bluetooth version: BLE 5.0 5. Charging method:Charging clip 6. System: Android system 4.4 version or above,iOS system 8.4 version or above 7. Bracelet language: Android: Chinese, Traditional Chinese, English, French, German, Japanese, Spanish, Italian, Korean, Russian, Czech, Portuguese,Turkish, Hebrew, Greek, Latin, Vietnamese, Danish, Thai, Polish iOS: Chinese, Traditional Chinese, English, French, German, Japanese, Spanish, Italian, Korean, Russian, Czech, Portuguese, Turkish, Hebrew, Greek, Latin, Vietnamese, Danish, Thai, Polish 8. APP language: Android: Simplified Chinese, Traditional Chinese, English, German, Spanish, French, Italian, Japanese, Korean, Portuguese, Russian, Czech and Thai iOS: Simplified Chinese, traditional Chinese, English, Japanese, Korean, Italian, Spanish, german, French, Russian, polish, turkey Function 1. Temperature monitoring,heart rate monitoring,blood pressure monitoring,blood oxygen monitoring,sleep monitoring 2. Step,distance,calories 3. Intelligent immunity monitoring 4. Sedentary reminder, call reminder, message push,weather information 5. Find bracelet,alarm clock,shake take photos,stopwatch,turn the wrist bright screen 6. Social sharing (WeChat, QQ, Facebook, Twitter), etc