Product Description:Material:ABS Bluetooth: V3.0 Wireless distance: 2-10m OS: Android， IOS， PC CPU: ARM968E-S Core Battery: Li-battery 3.7V 180mA Continuous time: About 40h Working current: 0.5-4mA Standby current: 0.5-1mA Charging current: 5V ShutDown Current: <20uA Product size: Approx. 7.3 * 3.1 * 1.3cm / 2.9 * 1.2 * 0.5in Note:MICRO USB charging interface for Android phones universal interface ， unworthy charging cable .This product is a key chain can be hung on a portable Bluetooth remote control， can be used as mobile phones， tablet PCs self-timer ， TV remote control TV box ， PC computer remote control， wireless Bluetooth game controller， wireless mouse， musiccontrol ， e-books turn page ， VR helmet game ， and support for Apple (iOS) system ， Android (Android) system，PC systems. Package Includes: 1 X Phone Bluetooth gamepad