Screen: 1.28" / 240 * 240 full touchscreen
Battery: 220 mAh Polymer
Packing box size: 15.1 * 7.5 * 3.0 cm
Bluetooth: 4.0
Supported mobile version: iOS 9.0 and above Android 5.0 and above
Frequency band: 2402-2480MHz
max. radiated power: 1.91dBm