Features:1. Wireless 2.4G technology, zero delay operation, 10 meter remote control distance, no delay and sudden interruption, the transmission signal is stable.2. Imitate real game scenes. Double motors can reach almost real presences while hit, tumble and knock.3. Dual precision simulation rocker to achieve 360-degree control.4. Easy to install and comfortable to play.Ergonomic design is perfect for left and right hands to handle. 5. In order to enhance your gaming experience, The precision and comfort by the responsive and precise thumb sticks get. 6. Redesigned D-Pad is ideal for all kinds of games, for example, Sports, Fighting, FPS. Optimized for directional and sweeping D-Pad movements.7. Simulate dual vibration effect, makes you have a real sensory game experience. Descriptions:1. It is powered by 2 x AA batteries(the batteries are not included).2. Improved ergonomic design - maximum comfort and endless gameplay. Specification:Color: black, white(optional)Material: ABSSize: 150*110*55mmKeys: Arrow +8 Common Action Keys +2 Trigger Keys + Dual Analog Rocker + Shift Keys Technology: 2.4G wireless technologyVibration: dual vibrationInterface: USB interfaceConnection: wireless Compatible with; for PCSupport system: for Windows98/for ME/2000/for XP/for VISTA/for WIN7/for WIN8Package included:1 x Wireless Game Controller1 x Mini Receiver1 x DiskNotes:Please allow 0-2mm error due to manual measurement, thanks for understanding.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, thank you!