Description Without any drivers or complicated app or Bluetooth, REAL plug-and-play! Compared to the traditional Bluetooth mobile gaming controller, owing to GameSir exclusive magic, F4 controller kills the connection latency, faster 4 times than Bluetooth controller! – Android Controller: F4 phone controller is a universal controller compatible with both mainstream mobile OS, supporting any games whose virtual buttons can be dragged, including PUBG, Knives Out, Rules of Survival, Call of Duty: Modern Warfare. – Plug and Play Controller: Mobile Controller GameSir F4 don’t need to connect Bluetooth or any apps. Compared to the traditional gaming controller, playing games become more safe and easily. Note: Remove the case before use. – Delicate Inside Design: the shape of F4 is similar to the falcon, it is small and portable, take it in your pocket playing games everywhere. F4 controller’s power switch is set as a invisible one, when you use it, it will turn on naturally. – 4 Burst Modes: F4 controller is a deadly weapon to take enemies down fast and it is armed with the “selector” as the same as the realM4A1 does, which you can select a suitable burst mode according to the battlefield status. – Short-Distance &Click Buttons: GameSir F4 helps youtackle any problems you may face in gaming. All buttons of F4 gaming controller are tested extremely to ensure up to 5 million times lifespan. F4 controller is a universal controller compatible with both mainstream mobile OS, supporting any games whose virtual buttons can be dragged. Platforms: iOS&Android Connection: Plug-and-Play Battery Capacity: 90mAh Charging Time: 1-2 Hour(s) In The Box: Gamesir F4 Controller/Type-C Cable/Manual Package Size: 82.3 * 45 * 25.5mm