I purchased this new at a store, but I'm selling it because I obtained another one after using this only once. The main unit only. No box or other accessories. A wireless trackball with an ergonomic design that provides a comfortable user experience. - Model Name: ERGO M575SP - Color: Black - Trackball Position: Left-handed - Number of Buttons: 2 - Sensor Type: Optical - Connection: Wireless Thank you for looking. Connection Type: Wireless (Bluetooth) Power Supply: Battery-powered