Features:
Bluetooth version: Bluetooth 4.0 Low Energy
Compatible Phone: iPhone4S/5/5S/5C， iPad Mini， iTouch 5， iPad 3/4， iPad Air and Andriod system with Bluetooth 4.0 Smartphone(Andriod 4.3 version and up-grade version)
Working distance: About 75 Feet (without barrier )
Suitable for: Wallet， Car， Kid， Pets， Bags，Suitcase or other belongings. 
Battery : CR2032 Lithium Coin Battery 
Standby time: 6 month
Net Weight: 9 gram
Available colors: Black/White/Green/Red
Certificates: CE/ROHS/EPL 
App Name: iTracing (Free of charge)
Connects up to 10 iTag unit
App language: English， Chinese， French， Spanish
Package: Box packaging