Before you can use the Xbox 360 Wireless controller with the Xbox 360 console, you need to plug the battery into the controller and bring the controller into the console via a wireless connection.The wireless controller only uses the AA battery pack (provided) with a disposable AA battery (not included) or an Xbox 360 rechargeable battery pack ).1.Press the label at the top of the AA battery pack and drop it down to remove it from the controller.2.Insert two new AA (LR6) batteries with the positive end () and negative end (-) located on the lower side of the battery pack as shown in the figure.For optimal performance, AA rechargeable batteries are not recommended.3.Slide the AA battery pack back to the position on the controller and push into the lock.Before boarding or packing the wireless controller in the baggage to be checked, remove any battery from the wireless controller.The wireless controller can transmit radio frequency (RF) energy whenever the battery is installed, just like a mobile phone.There is a rechargeable battery unit inside the unit, two AA batteries in size.You have to purchase a charger separately for you to charge while playing.Essentially, you can plug the charger into the back of the controllerThe other end enters the USB port in front of the XBox 360 unit.So you play with the controller when it is charged.When it's fully charged again, you just pop up from the wire and keep playing.The range of the wireless device is 30 \ ', which may be much farther than anyone who wants to try to play the game.The wireless network in your hand is much easier.No cables hold you down-In addition, it helps a lot to keep the organization of the game area.You can easily pass the controller from one person to another and visitors can come and go without tripping over the wires