2.4GHz wireless technology with 30-foot range Use up to four controllers simultaneously on one console,Requires 2 AA Batteries Adjustable vibration feedback for longer battery life Integrated headset port for Xbox LIVE play New left and right shoulder buttons are designed for ease of use Xbox 360 Wireless Controllers help you get into the game like never before. Together with up to three friends, you can take complete control of the fun and play anywhere in the room (up to 30 foot range). When the game is on, don’t let the wires trip you up