Adesso iMouse T40 - Wireless Programmable Ergonomic Trackball Mouse. Optical - Wireless - Radio Frequency - 2.40 GHz - No - Black - USB - 4800 dpi - Trackball, Scroll Wheel - 7 Button(s) - Symmetrical - ONLINE ONLY adoptedtitle so you can charge two

so you can charge two devices simultaneously

The iMouse A20 is plug and play and requires no drivers

even among the noise

and now Adaptive Audio

Adesso iMouse T40 - Wireless Programmable Ergonomic Trackball Mouse. Optical - Wireless - Radio Frequency - 2.40 GHz - No - Black - USB - 4800 dpi - Trackball, Scroll Wheel - 7 Button(s) - Symmetrical - ONLINE ONLY adoptedtitle so you can charge two*ONLINE ONLY Allow extra time for delivery. Ship to store FREE! During checkout select ''Store Pick up'' as your delivery option.* Adesso iMouse T40 Wireless Programmable Ergonomic Trackball Mouse. Optical Wireless Radio Frequency 2. 40 GHz No Black USB 4800 dpi Trackball, Scroll Wheel 7 Button(s) Symmetrical. Meet one of the newest models of the Adesso trackball product line, the Adesso iMouse T40. It incorporates the claw grip design where each user