It is a 3-in-1 mobile game controller that provides gamers with a good gaming experience and operational stability. Ergonomics Ergonomic design, comfortable grip, long-term grip Four fingers move one step faster The buckle is stable on the screen, the game is easy to eat chicken It is a tactile game controller, a touch-screen device that gives the game player a good tactile feel and can be used on the Apple iPhone, any smartphone game, highly sensitive devices. It can be easily removed without leaving any scratches or residue. It can be washed and reused repeatedly Compatible with: Multi Accessory Type: Smartphone Gaming Controller Are batteries needed to power the product or is this product a battery: No Is this a Dangerous Good or a Hazardous Material, Substance or Waste that is regulated for transportation, storage, and/or disposal?: No.