Anker 2.4G Wireless Vertical Ergonomic Optical Mouse, 800 / 1200 /1600 DPI, 5 Buttons for Laptop, Desktop, PC, Macbook…

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Scientific ergonomic design encourages healthy neutral “handshake” wrist and arm positions for smoother movement and not more overall strain.
800 / 1200 / 1600 DPI Resolution Optical Tracking Technology provides more sensitivity than same old optical mice for smooth and precise tracking on quite a lot of surfaces.
Added next/previous buttons provide convenience when webpage browsing; some of the best choice for web surfers, gamers and those who work at length on the computer.
Enters power saving mode (power is bring to an end completely) after 8 minutes idle, press right or left button for it to wake. Product dimensions: 120*62.8*74.8 mm; product weight: 3.4 oz.
Package includes: 1 Anker Wireless Vertical Ergonomic Optical Mouse (2 AAA batteries not included), 1 2.4G USB receiver (within the bottom of the mouse), 1 instruction manual. 18-month hassle-free warranty.