Functon <br />1. Bluetooth version: Bluetooth 4.0 Low Energy<br />2. Compatible Phone: iPhone4S/5/5S/5C・ iPad Mini・ iTouch 5・ iPad 3/4・ iPad Air and Andriod system with Bluetooth<br />3. 4.0 Smartphone Andriod 4.3 version and up-grade version <br />4. Working distance: About 75 Feet (without barrier )<br />5. Suitable for: Wallet・ Car・ Kid・ Pets・ Bags・Suitcase or other belongings.<br />6. Battery : CR2032 Lithium Coin Battery<br />7. Standby time: 6 month<br />8. Net Weight: 9 gram<br />9. Available colors: Black/White/Green/Red<br />10. Certificates: CE/ROHS/EPL<br />11. App Name: iTracing (Free of charge)<br />12. Connects up to 10 iTag unit<br />13. App language: English・ Chinese・ French・ Spanish<br />14. Package: Box packaging