Enter E-W56 Wireless Optical Mouse (Black) Wireless Ambidextrous Optical Mouse  (USB 2.0, Black)

2.4 ghz wireless mouse with ergonomic design, USB 2.0, plug and play. Features:Tiny receiver adopted in the mouse, convenient to take. Countered design, for both hands, Plug and play: USB 2.0. Precise tracking: advanced 1600 DPI, optimized connection: 2.4G wireless, 10m remote. Power saving: sleep and awake technology, save more cost. Transmit distance:8-10M, Compatible with windows 98/XP/VISTA/WIN7.