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：5.0 Chipset :HS6621 Screen size:1.28 inch APP: Wearfit pro; Resolution：IPS 240×240; Compatible System:Android 5.0,IOS 9.0 and above FLASH memory:64MB; Waterproof Level:IP67 Touch type:Full touch screen G-Sensor:SC7A20; Battery Type:Lithium polymer battery Capacity:220mAh; Charging time:2-3H Standby Time: 7-15 Days Charging Method: Wireless; Wristband size:Total length 258mm, width 21.5mm Near field communication