Specification: 1 Bluetooth Version: Bluetooth 4.0 Low Energy 2 Compatible Phone: Iphone4s/5/5s/5c, Ipad Mini, Itouch 5, Ipad 3/4, Ipad Air And Andriod System With Bluetooth 3 4.0 Smartphone(Andriod 4.3 Version And Up-Grade Version) 4 Working Distance: About 75 Feet (Without Barrier ) 5 Suitable For: Wallet, Car, Kid, Pets, Bags,Suitcase Or Other Belongings. 6 Battery : Cr2032 Lithium Coin Battery 7 Standby Time: 6 Month 8 Net Weight: 9 Gram 12 Connects Up To 10 Itag Unit 13 App Language: English, Chinese, French, Spanish What Is In The Box 1xbluetooth Tracker 1xbattery 1xuser Manual"