Features： 1. APP message vibration alert: when the phone receives a text message. Twitter and other APP notifications, so you know the important notifications in time, not to miss! 2. Bluetooth call, Bluetooth play music 3. Pedometer: display movement pedometer, movement more efficient 4. Heart rate: monitor the current heart rate, accurate real-time monitoring 5. Heat: display the heat of movement, display the number of steps and mileage * APP supports 11 languages, including Chinese, Simplified Chinese, Traditional Chinese, English, French, German, Italian, Japanese, Japanese, Korean, Russian, Spanish, Portuguese, Arabic. Chinese, Simplified Chinese, Traditional Chinese, English, French, German, Italian, Japanese, Korean, Russian, Spanish, Portuguese, Arabic Parameters. Chip: NRF51802, Flash Memory: 8MB Waterproof: IP67 waterproof (you can wear a rain shower, wash your hands, but don't put it in hot water and it's not suitable for swimming) Screen size: 0.96" TFT Resolution: 160 * 80 single-point touch screen Battery: 80mAh Li-Polymer battery, charge time about 1.5H, life about 5 days, standby about 15 days Function. 1. Bluetooth call, Bluetooth play music 2. Treadmill: show movement treadmill, movement more efficient 3. Heart rate: monitor the current heart rate, accurate real-time monitoring 4. Mileage: displaying step mileage 5. Heat: displaying heat of movement 6. Power: Display current power 7. Bluetooth Smart Alert. 8. Alarm clock reminder: sleep monitoring, alarm clock vibration to wake 9. Caller alert: vibration alert, not in the important missed calls 10. APP message vibration alert: when the phone receives a text message. WeChat and other APP notifications, so you know the important notifications in time, not to miss! 11. Sleep monitoring: monitoring sleep quality at night when sleeping 12. Hand up to light up the screen Packing list. 1* Smart bracelet 1* Charging cable 1*User's Manual