This item is a portable Bluetooth remote control device can be hung on a key chain, can be used as a camera shutter of mobile phone and tablet pc , TV box remote controller, PC remote controller, wireless Bluetooth game controller, wireless mouse, music control, e-book flip, VR helmet games, support (iOS) system, (Android) system, PC system etc. With it you never need to ask some stranger to take photos. What s more, you can play game follow your way.