Not only a phone case but also a gameboy. Enjoy games at your spare time: have fun just like a child whether in the plane, waiting for a taxi, family day or friends gathering, quite relaxed and no more boring. Features: Anti-knock Back Cover Material: TPU Style: Game Suitable for: iPhone 66s78XXSXS MaxXR11 Pro11 Pro Max and Samsung S10 Battery: lithium battery (CR2032, 3V) This color display game phone Case is powered by built-in Li-battery, which can be recharged through a Micro USB Cable (we o