【Ergonomic design】Improved ergonomics for longer playtime: As a fully spring-loaded handheld controller, the wireless handheld controller provides precise and responsive play speeds. The compact and ergonomic design ensures several hours of comfort on your PC. 【2.4G wireless transmission】2.4G wireless transmission technology (with USB receiver) ensures a stable connection without delay and offers a range of up to 10 meters (32.8 feet), making it possible to enjoy playing from the other side of the room. 【Improved design】The new design for left and right axis buttons is easy to use, 12 function buttons, supports 2 handgrips simultaneously (requires game support). 【Broad compatibility】Wireless game controller supports PC (Windows XP/7/8/8.1/10), PS3, Steam, Android (version 4.0 or later, the device must fully support OTG function). 【Intelligent power-saving mode】Battery life can be extended effectively through intelligent idle mode, wake-up function, and on/off button. The handheld controller is powered by 2 pieces of 1800 mah AA batteries.