Z21 Plus 0 96 inch TFT LCD Color Screen Smart Bracelet IP68 Waterproof Support Call Reminder Heart Rate Monitoring Sleep Monitoring Multiple Sport Mode Black

About Product 1 APP OS Android 4 4 and above iOS 8 0 or higher 2 Material Upper case PC wristband TPE 3 Bluetooth BLE4 2 4 Type of battery Lithium polymer battery 5 Battery capacity 100mAh 6 Charging time 1 2 hours 7 Working time 15 days 8 Charging method USB port direct charge Features 1 heart rate detection 24H continuous heart rate time and date display step counting calories distance with screen display sleep monitoring sleep time sleep quality call reminder SMS QQ WeChat and other third party application message content Push to save 8 message records WeChat motion access sedentary reminder alarm reminder find mobile phone multiple sports modes Running cycling swimming badminton table tennis tennis skipping call rejection remote control camera do not disturb mode Brightness adjustment bright time adjustment Stopwatch