PERIPRO-506 - Wired Trackball Mouse plus Detachable Wrist Rest Pad 400 DPI

Ergonomic Design - A wired 3-button tracking device for cursor control and screen navigation; Dimension: 3.94 x 6.61 x 1.65 inches (10 x 16.8 x 4.2 cm); Stationary tracking which reduces hand and forearm movements and design to help users with RSI or carpel tunnel syndrome Trackball Comfort - A durable 0.98 inch (25 mm) diameter trackball with optical tracking technology to provide precise cursor control; 400 DPI Wired USB Connectivity - Easy installation for everyone with Plug-and-Play set up; Require one free USB port Detachable Gel Wrist Rest - Features cushion gel pad to place your wrist comfortably for long time use; With the detachable feature, PERIPRO-506 is suitable for professional and industrial applications