GT0152X Features NES 30th anniversary GamePad edition， retro design， same touch， same feeling Dual mode support: Bluetooth keyboard and touch screen simulation Supports both Bluetooth and USB connection Built-in 480mAh Li-ion battery Firmware upgradable for function expansion in the future Compatible with iOS， Android， Mac and Windows devices Programmable keys to easily setup combo key and turbo key Exclusive Xtander design: stand up your touch screen devices and play with ease Classic cross button and two shoulder-button design General Specs Type Wireless Game Controller Compatibility iOS/Android/Mac/Windows Smartphones & Tablet PCs   Battery 480mAh Li-ion battery Package Details Weight: 298.53 g Size: 15.5*9.5*4.5 cm