3 in 1 MultiFunction 2.4GHz Mini Wireless QWERTY keyboard?? TouchPad combo?? LED backlit with USB interface adapter US Layout</br>Perfect combo: 92 keys Wireless QWERTY Keyboard + Touchpad which supports multi-finger functions??A single finger click as left mouse function?? two-finger click as the right mouse function?? double finger drag as the rolling screen</br>Innovative shape?? protable?? elegant?? Perfect for PC?? Pad?? Andriod TV Box?? Google TV Box?? Xbox360?? PS3?? HTPC/IPTV</br>Package Includes: 1x Wireless keyboard?? 1x Wireless receiver?? 1x User manual</br></br>Product Description</br></br><b>Specification: </b><br><br> Operating range: 15 meters(MAX)?? without signal disturbance and no direction limit. <br> Frequency range: 2.403GHZ ~ 2.480GHZ <br> Operational voltage: 3.3V<br> Charge Voltage: 4.4V ~ 5.25V<br> Modulation: GFSK<br> Channel: 78channels<br> TX Power: less