Material: ABSAppearance size: 37*37*6MMApplicable system: IOS 7.0 above, Android 4.4 aboveNote: APP application downloads:Android system in the application treasure download, ios system in the app store downloadBluetooth version: Bluetooth 4.0Battery: CR2032 lithium coin battery (not included)
Working distance: about 75 feet (accessibility)
Please follow the step below to use this item:
1: Please put the battery in.(CR2032 battery,not included)