Wireless, Bluetooth 4.0, alarm tracker, key finder, GPS locator, automatically rings if device are outside of a 25m radius, prevents items from getting lost, can be used as a selfie stick remote.
Features include: 
Parking site searching
Voice recording
Anti-lost
Remote shutter
Battery includes
Instruction Manual: It is recommended to read the user manual carefully and keep it for future reference
Packaged in a box

Specifications: 
Bluetooth: 4.0 Low energy consumption
Compatible Device: iOs 7.0 and up-grade version and Android 4.3 version and up-grade version
Working distance: 25m (outdoor environment)
Battery: CR 2032 Lithium coin battery (included)