Model nameTW64 smart Bracelet Appearance materialThe front shell,Website:http://www.yuezl-technology.com, shell: plastic, soft handApplication systemIOS 7.0 above (Iphone4,4S,5,5C,5S,6, 6 plus); Ipad 4,Ipad Air,Ipad mini,Ipad mini2; Samsung Galaxy S 4/5,Samsung Note 3 Android 4.3 BLE devices(Support Bluetooth 4.0 Mobile phones)CPUnRF51822Bluetooth chipnRF51822DisplayOLED64*32Data ...