Ngs 2.4GHz Wireless Optical Gaming Mouse, 5 Buttons + Scroll Wheel - White Flea Advanced 2.4Ghz Wireless optical mouse from the NGS Flea Advanced series - White and Black Plug & Play Nano USB receiver 4 buttons and a scroll wheel that doubles as a 5th button Cool and ergonomic White and black design Powered by 1x AAA battery (included)