Feature 1Simple Operation: With the mobile controller, you can press the button with your forefinger to move, rotate, aim and shoot at the same time, thus eliminating the problem of all operations with your thumb. 2Applicable Mobile Phone: AK03 mobile game controller is compatible with mobile phones with width 6788mm / 2.63.5in. 3Folding and Stretching Device: The built in folding and stretching device is compatible with most mobile phones on the market. 4Cool Light and Wind Regulation : AK03 mobile phone cooling fan has cool light, which can be turned off. It has three speed wind regulation. 5Improve Game Experience: The AK03 mobile phone coolerr uses RGB lightning to improve your game experience and help you become a game expert. 6Long Battery Life: AK03 mobile phone cooling fan has low power consumption and long battery life.SpecificationItem Type:AK03MobileGameControllerProduct Material: ABSCharging Voltage: 3.7VWeight: Approx. 135g / 4.8ozBattery: Fan Lithium Battery 400mAh (Shipped With Built In Battery), 2 x Handle 2 Lithium Battery 50mAh (Shipped With Built In Battery)Applicable Mobile Phone: Applicable Width 67-88mm / 2.6-3.5in .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 xMobilePhoneCoolingFan1 x Charging Cable1 x Chinese And English Manual1 x Storage Bag