Ergonomic Wireless Three-button Optical Mouse, 2.4 Ghz Frequency-30 Ft Wireless Range, Right Hand Use, Black

Alleviate repetitive stress and discomfort on the hand, wrist and arm with this ergonomic, vertical grip optical mouse. Oversized, contoured base keeps your hand and wrist at a neutral angle while providing added comfort and control. Programmable third button enables scrolling through documents with thumb. USB wireless receiver eliminates the hassle of cables.  Global Product Type: Mice-Wireless Connector/Port/Interface: USB 2.0 Left/Right Hand Use: Right Mouse Technology: Optical Wired/Wireless: Wireless Maximum Wireless Range: 30 ft Color(s): Black Operating System Compatibility: Linux® Operating System Compatibility: Mac® OS X 10.4.x, 10.5.x and Later Operating System Compatibility: Windows® XP, Vista™ and Later Frequency: 2.4 GHz Low Battery Indicator Light: No Batteries Required: Yes Type of Batteries Required: (2) AAA Batteries Included: Yes Buttons: 3 Size: 3.2" inchesw x 4.12" inchesd x 5" inchesh Pre-Consumer Recycled Content Percent: 0% Post-Consumer Recycled Content Percent: 0% Total Recycled Content Percent: 0% Ship Class Code: J"