Material: ABS
Appearance size: 37x37x6 MM
Applicable system: IOS 7.0 above, Android 4.4 above
The colors of the product are: black, white, red, green, blue
Note: application applications downloads:
Android system in the Treasure of the application download, ios System in the app store download
Bluetooth version: Bluetooth 4.0
Battery: CR2032 lithium battery (Not included)
Working distance: about 75 feet (accessibility)