Experience the ultimate in wireless freedom with next-generation precision, speed, and accuracy. Superior performance is finally available in a wireless controller. Using optimized 2.4 Ghz technology, youll enjoy a range of up to 30 feet and almost 40 hours of life on two AA batteries - and when you run low, youll be given ample warning so you can connect a Play & Charge cable for uninterrupted play. Four units can run simultaneously, even when transmitting both directional and audio signals. Plug a Headset into the unit for full-duplex voice communication. - 2.4 GHz wireless technology with 30-foot range - Lag-free play - Integrated headset port for Xbox Live play - Adjustable vibration feedback for longer battery life