URgreat&reg; VTag Bluetooth 4.0 Keys Chain Finder Anti-lost Alarm for Apple iPhone 5 iPad (Black) Three ways of everyday living applications: 1) The Find-Me (Find) service: Attach the Vtag to your easily misplaced objects, such as keys, wallets, purses, When the Find-Me (Find) service is activated on your iPhone, the Vtag will beep and flash to remind you where it is. 2) The Electronic Leash (Proximity) service: Tie the Vtag to your object and pair it with your iPhone; Alerts will be sounded if the two are separated to a distance; The GPS location is also recorded on your iPhone to help you return to look for the lost object; Electronic Leash is perfect for situations such as keeping an eye on wandering kids/pets in a park or your valuables when traveling. 3) Find the parking location service: When a VTag is attached with your car, Blue Smart could record where your car is last parked, and will guide you to find your car. Specifications:Communication: Bluetooth Version. 4.0; Transmission scheme: Spectrum frequency hopping diffusion method (FH-SS); Transmit frequency: 2.4GHz ~ 2.4835GHz; Communication distance: 10m; Power:CR2032 battery; Power consumption: 220mA/ about 6 months per CR2032 battery; Dimension: appro. 38.5mm9.2mm; Weight:About 12g.