ERGO M575S Wireless Trackball, Offwhite (Blue Ball)

Work in your comfort zone with Ergo M575S Wireless Trackball Work in your comfort zone with Ergo M575S wireless trackball, certified by ergonomists to keep your hand and forearm relaxed - now with quiet clicks. In the BoxWireless Trackball MouseLogi Bolt Receiver1 x AA BatteryDocument\n\n