Decription: Weight:10g Material:PC Size: 9mm*30mm*33mm Color:blue，pink，black，white Battery: CR2032 button battery Transmission Distance: 1-15m Bluetooth Version: Bluetooth V4.0 Alarm Way: phone rings， device ring and LED light This anti-lost device is small which you can carry easily wherever you go Selected Nillkin phone stander to fix the mobile phone， after connected to Partner; it can take photos via wireless device Package included: 1*Anti-lost Bluetooth Device More detail: