The OEM Verbatim 97472 includes a wireless mouse and an ultra-slim keyboard featuring 2.4 GHz wireless communication. The low-profile, soft-touch keys provide a crisp, responsive feel while typing. The included Nano wireless receiver connects easily to your USB port and can remain plugged in. This set is compatible with Windows 7, XP, 2000, and Vista. It comes complete with 4 AAA batteries and a software CD.