Intec G5701 Wave Plus Controller for Nintendo Wii Optical sensor technology offers full real motion sensing & vibration technology with 1:1 movement & much greater level of accuracy than with the Wii Remote alone Fully compatible with all games that use the Wii Remote with the Wii MotionPlus dongle No need for the extra dongle or adapter Bluetooth technology allows wireless play up to 40 ft away and can be used in both vertical & horizontal orientation Includes wrist strap and requires 2 AA batteries