GX0212B Features Allows you to input emails and instant messages Draws power from the wireless controller directly， no need charging cable Adopts 2.4G wireless protocol to transfer data and attached with a 2.4G receiver Embedded perfectly with the Xbox One controller Good hand feeling， easy and convenient to use General Specs Brand & Model DOBE TYX-538 Material  ABS Plastic Wireless Protocol  2.4GHz Charging Cureent 0.8mAh Static Current 3uA Transmission Range ＜10m Compatibility Xbox One controller Dimension 142 x 63 x 45 mm Package Details Weight: 94.16 g Size: 17*6*5.5 cm