Feature: Battery Capacty: 105mAh Charging Time: About 90mins Standby time: 7 days Compatible OS: Android,IOS Compatability: Android 4.3 / iOS 7.0 and above systems Language: English Available color: Black,Red,White Dial size: 3.05 x 2.95 x 1.08 cm / 1.2 x 1.16 x 0.43 inches Band size: 25.5 x 2.8 cm / 10.04 x 1.10 inches Product size (L x W x H): 25.50 x 2.95 x 1.08 cm / 10.04 x 1.16 x 0.43 inches 1. Health tracker : Heart rate monitor,Pedometer,Blood Oxygen,Blood Pressure,Drinking reminder, Sedentary reminder,Sleep monitor 2. Waterproof : IP67 waterproof standard, suitable to use at home, office and swimming and diving. 3. Push Message : Social Media Notifications such as Facebook,Twitter,Whatsapp, QQ, Wechat and other main social app 4. Call Reminder : Phone call reminder, caller display. 5. Remote control : Remote Camera 6. Ultra-long Battery Life and USB Rechargeable : it consumes less power and can generally last for 7 - 10 days. You can see the battery indicator on the screen. 7. Screen : 0.95 inch colorful OLED screen. 8. Languages : Chinese, English, French, Japanese, Korean, German, Italian, Portuguese, Spanish, Russian. Package Contents: 1 x X9 Pro Smart Wristband 1 x Charging Cable 1 x User Manual