Targus Wireless Calculator Keyboard & Media Mouse, DE. Connectivity technology: Wireless, Device interface: RF Wireless. Mouse includedThe Targus Wireless Calculator Keyboard and Media Mouse provide wireless freedom for a clutter free workspace. Not only does the keyboard have a built-in calculator and Internet hot keys but it also enhances multimedia functionality for users wanting to control music and video applications from their desktop. The 800 dpi media mouse has a tilt wheel and comes with a USB recharging cable ensuring that you never run out of power. 2.4 Ghz RF design allows a working range of 6 metres. Features: - Wireless freedom for an uncluttered workspace. - Hot keys provide convenient and quick access to commonly used Internet and multimedia functions. - Built-in calculator with LCD readout panel. - Attached palm rest is padded for additional user comfort. - Battery low indicatory light. - Full size 800 dpi 3 button mouse with tilt wheel and 8 media control buttons. - USB rechargeable cable ensures you never run out of power. - Plug & Play; no driver required.Warranty: 2 years