【Gamepad and Trigger】 Gamepad is ergonomically designed for a better viewing and handling, allowing you to play on your phone for long time without straining your hands and wrists. The high-density conductive rubber and the alloy buttons ensure speedy and sensitive response.You can play with 4 fingers,moving when firing. It is much easier to aim and shoot the target. 【2000mAh built in power bank】Don't drop away at critical moment! Running out of battery causes frustrating and at times difficult circumstances in games. With this game controller, you never need to worry about running out of power, you are in charge, anytime, anywhere. 【Phone Cooling Fan】Quiet yet powerful fan gives you the best balance between silence and performance.No longer to worry about your cell phone overheating after long time playing games. Stay cool,play cool！