An Evoluent product. RIGHT HANDED Evoluent VerticalMouse 4 Bluetooth in Black suitable for MAC OS only. Patented vertical mouse that supports your hand in a relaxed handshake position and eliminates the arm twisting required by ordinary mice. The 4 is the

An Evoluent product. RIGHT HANDED Evoluent VerticalMouse 4 Bluetooth in Black- suitable for MAC OS only. Patented vertical mouse that supports your hand in a relaxed handshake position- and eliminates the arm twisting required by ordinary mice. The 4 is the latest evolution of this award winning ergonomic mouse now features: Improved comfort/support- pointer speed and laser sensor adjustable from the mouse and 6 programmable buttons. Supplied by Hypertec