A key finding things The location information The Internet search Ultra-low power consumption Multitasking management colors may vary 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 (Not Included a CR2032 battery) Standby time: 6 month Certificates: ROHS App Name: iTracing (Free of charge) Connects up to 10 iTag unit App language: English, Chinese, French, Spanish Package: Retail packaging Brand No Brand SKU 100856172_NP-1021382617