Features: Two-way anti lost A key finding things The location information The Internet search Ultra-low power consumption Multitasking management Specifications: Bluetooth version: Bluetooth 4.0 Low Energy Compatible Phone:For iPhone4S/5/5S/5CFor iPad MiniFor iTouch 5For iPad 3/4For iPad Air and For 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 BagsSuitcase 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 Compatible Devices: For iPhone5S/5C/5/4SFor iPad 5th/4th/3rd genFor iPad miniFor iPad AirFor iPod touch(5th gen) Andriod system with bluetooth 4.0 Smartphone (Andriod 4.3 version and up-grade version) Size:51*30*10 mm Package Included: 3x bluetooth Tracker ( Battery Not Included)