This Bluetooth key finder is compatible with iPhone 5S/5C/5/4S, iPad 5th/4th/3rd gen, iPad mini, iPad Air, iPod touch (5th gen) and Android systems with Bluetooth 4.0 Smartphone (Android 4.3 version and up-grade version). It offers an impressive 75 feet working distance and a long-lasting CR2032 battery with up to 6 months of standby time. The device features Bluetooth 4.0 Low Energy for efficient connectivity. It is available in four trendy colors: black, white, green, and pink.