Supported Devices：Designed for games on iPhone and android, PUBG, Knives Out, Rules of Survival, Survivor Royale, Critical Ops . New Generation Mobile Game Joystick This pair of fire buttons will help you improve the gaming experience. It is recommended to use 4.6-6.5 inch mobile phone Press the shot, feel better, more flexible operation High Sensitive: No Power supply and driver needed, easy to use and high precision, increase your game score.