GameSir F2 Mobile Game Controller, L1R1 Game Trigger Joystick for 4.5-6.4″ Phone, Mobile Controller Grip for PUBG/Knives Out/Rules of Survival

The world’s first integration of grip and joystick, solving the problem of the clumsy controlling of the touch-screen games!
The controller gaming grip case has an ergonomic design and comfortable feeling to relax your hand fatigue for the long-time gaming. Built-in stand clip attached at the back of the grip, adding more convenience for your phones.
Compatible with all touch-screen smartphones. The telescopic boom design allows you to adapt to different sizes of smartphones up to 6.7inch length, including iPhone X and Samsung Note 8!
The conductive stick-on joystick gives players the great physical manipulation, providing precise controlling on the in-game characters, and can deal easier with more complex positioning. The ultra low-friction joystick with anti-slip design enables you to play effortlessly in 360 degree.
Perfect for MOBA games or any game that has an on-screen control pad such as Mobile Legends, Arena of Valor, FIFA, Dragon Nest SEA, GTA and etc.