Model:Smart Watch Chip:NRF52832 Screen:1.3-inch IPS, 240 x 240 Bluetooth Version :V4.0 Compatible OS:Android 4.4 or above , iOS 9.0 or above Operating Mode:Touch Screen APP Name:WearFit2.0 Waterproof:IP67 Multi-sport Modes:Support Walking, Running, Swimming, Skipping, Riding, Badminton, Basketball, Football Notification:Support Facebook, Twitter, Wechat, WhatsApp, Skype Alert Type:Vibration Other Functions:Support Alarm, Calender, Sedentary reminder, Camera remote control, Anti-lost, Weather Reminder, Stopwatch Sensor:Triaxial acceleration sensor, Heart Rate Sensor Battery Capacity:180mAh Standby Time:about 25 days Using Time: About 7 days Charging Time: About 2 hours Charging Type: Magnetic charging Package Includes: 1 x Smart Bracelet 1 x Charging Cable 1 x User Manual