Refurbished Anker Ergonomic Optical USB Wired Vertical Mouse

Note: Refurbished product. Professionally restored and backed by a 90-day warranty.Scientific ergonomic design encourages healthy neutral "handshake" wrist and arm positions for smoother movement and less overall strain.1000/1600 DPI Resolution Optical Tracking Technology provides more sensitivity than standard optical mice for smooth and precise tracking on a wide range of surfaces.Added next/previous buttons provide convenience when webpage browsing; the superior choice for internet surfers, gamers and people who work at length at the computer.1.5m/4.9ft USB cable length, product dimensions: 120*62.8*74.8 mm; product weight: 5.3 oz.Package includes: 1 Anker Vertical Ergonomic Optical Mouse (with 4.9 ft cable), 1 instruction manual.