Adesso iMouse E90 Wireless Left-Handed Vertical Ergonomic Mouse is designed with a vertical orientation and a contoured shape that provides a uniquely comfortable user experience

Designed specifically for left-handers, this wrist-friendly contour support, you will hold your hand in a healthy 'handshake position' which is the neutral position of your forearm

This feature prevents your forearm from twisting when using this vertical ergonomic mouse

Featuring two ergonomic buttons that are located conveniently on the side of the mouse allowing seamless back and forth browsing

The 800/1200/1600 switchable DPI control provides three levels of mouse cursor speed that works in different environments

iMouse E90 - The advanced optical sensor technology keeps the mouse precisely on point and lets you work on most glass, wood, marble and leather surfaces without a mouse pad

Cable Free Wireless Technology - Plug and Play 2.4G wireless connection up to 30ft (10m )range. Work freely without constraint and mess of cable

Ergonomic Vertical Design Made for Left-Handers - The vertical design provides better support for your forearm minimizing wrist pain that can come from twisting

50 Degree Vertical Angle - The 'hand-shake' grip helps reducing muscle stress and risk of Carpal Tunnel Syndrome

Adjustable DPI Switch - Adjustable cursor moving speed from 800, 1200 to 1600 DPI

Back/Forward Buttons - Provides extra convenience for web surfing and other controls under windows OS

Auto Sleep and Power On/Off Switch - Maximizes your battery life up to 6 months and reduces consumption of batteries

Durable Micro-switch - Up to 10 million times lifecycle

Nano Receiver - Tiny and convenient to plug into to your laptop or tablet

High-precision Optical Sensor - Tracks accurately and precisely on different surfaces, like marble, wood and leather surfaces