Features: Two-way anti lost��A key finding things��The location information The Internet search��ltra-low power consumption��Multitasking management Specifications: 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) Standby time: 6 month Net Weight: 9 gram Available colors: Black Certificates: CE/ROHS/EPL App Name: iTracing (Free of charge) Connects up to 10 iTag unit App language: English， Chinese， French， Spanish Size:51*30*10 mm Package Included: 1x bluetooth Tracker ( Battery Not Included)