Microsoft Wireless Mobile Mouse 6000 - MHC-00025 Microsoft Wireless Mobile Mouse 6000 BlueTrack Scroll Mouse General Features: Color: Ruby color with black accents 2.4 GHz wireless Up to 30-foot wireless range Five (5) programmable buttons Plug-and-Go Nano USB Transceiver: can be stowed on bottom of mouse Up to 8-month battery life with single battery [operates on one (1) AA battery, included] Battery status indicator tells you when battery is low