iMouse E1 Illuminated Vertical Ergonomic Mouse

iMouse E1 Illuminated Vertical Ergonomic Mouse supports the hand in relaxed handshake position to help minimize wrist pain. Switchable DPI provides two levels of control (1000 and 1600). Optical sensor technology works on most glass, wood, marble, and leather surfaces without a mouse pad. Includes six buttons: Left and Right Click, Back and Forward, DPI Switch, and Scroll Wheel. Ice Blue illumination contrasts against glossy black case for a sharp look.