NFC Smart Watch Sports combines fashion and functionality in one device. Stay on top of your fitness goals, receive notifications, and monitor your health with ease. Ideal for daily wear and sports activities. Specifications: Wireless Version:5.2 Screen Size:1.53inch Resolution:IPS360*360 FLASH memory:128MB; Compatible System:Android 5.0 or iOS 10.0 above Standby Time: 7-10days; Charging time:About 2-3H BatteryCapacity:300mAh Charging Method: Wireless Operation method:full touchscree Size:55.4*49.5*13.4mm; weight:74g; Near field communication