I have 4 of these new in the box. They include a USB adapter and rechargeable battery. - 2.4GHz Mini Wireless QWERTY keyboard, Touchpad combo, LED backlit with USB interface adapter US Layout. You can use "F2+Fn" to switch to different colors (blue/green/red) . - 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. - Longer Standby Time, Come with the USB EXTENDER CABLE, Extend for USB Receiver.Innovative shape, portable, elegant, Perfect for PC, Pad, Android TV Box, Google TV Box, Xbox360, PS3, HTPC/IPTV. - EASY TO USE: Plug and play: no need to install software, with the USB Receiver at the back of the keyboard, rechargeable and removable. If there is a long period of inactivity,the keyboard will automatically go into a sleep mode,the user can wake the unit up by pressing any key. - No Need to Install any Software, with the USB Receiver at the Back of the Keyboard, All Our Product have Full 18 Month Warranty.