ADESSO INC IMOUSE V10 Adesso iMouse V10 - Wireless Vertical Ergonomic Mini Mouse - Optical - Wireless - Radio Frequency - 2.40 GHz - Black - USB - 1600 dpi - Scroll Wheel - 6 Button(s) - Right-handed

Vertical Ergonomic Design - Our vertical ergonomic design helps you achieve a more natural grip, better forearm support, and a more natural wrist position. Unlike traditional mice, the Adesso iMouse? V10 will fit right into the grasp of your palm and provides better support for your forearm, which minimizes wrist pain that often result from forearm muscles twisting. Adjustable 3 Level DPI Switch (800 / 1200 / 1600) - Attain higher precision and better accuracy with your choice of adjustable DPI levels. Easily switch from 3 different DPI levels from 800, 1200, to 1600. The easily-accessible DPI button lets you quickly switch cursor sensitivities between the various computer tasks you have throughout the day. Enhanced Optical Sensor - Optical sensor technology precisely and accurately tracks cursor movement and lets you work on most wood, marble and leather surfaces without the need of a mousepad. 2.4 GHz RF Wireless Technology with On/Off Switch - The 2.4GHz Wireless Technology has 65536 IDs with 12 channels and works up to 30 feet. This provides the reliability to ensure your other wireless devices will not interfere with your mouse.