"Maybe you're looking for a controller for a mobile game,our Mobile Game Controller can simultaneously move, turn, aim and shoot by using the index fingers to press the buttons, which can eliminate the trouble that use thumbs only to make all operations.With the highly sensitive and simple design, you can freely to strengthen your fighting capacity in the game The Mobile controller with Game-pad, Gaming Trigger , Phone Cooling Fan and Emergency Charging Bank.. HOW TO USE? 1.Start your game, and clicks the Settings-Control-Customize; 2.Move the ""FIRE"" button to the top of left corner; 3.Move the ""AIM"" button to the top of right corner; 4.Adjust the shoot and aim buttons under the touchpad?of the cell phone game controller; 5.""Save"" your settings. 6.When the phone is of over-temperature, press the switch button on the back side; 7.Please use matched charging cable to charge cellphone needed. One end for phone, the other end-USB port for the output port of mobile controller PRODUCT PARAMETERS: Battery capacity: 2000mAH Charging time: 1.5h Use time: 4h Product size: 6.0*4.0*1.7inch Applicable models: 4.5-6.5 inch mobile phone Colour: Black NOTE: 1.For the game experience, please remove the phone case 2.If other icons are too close to the touch pad, it may influence the sensitivity. 3.According to different mobile phones models, It may have position deviation shown in the picture, please adjust your button in a comfortable way."