Brand: Logitech Model/PN: 910-005282 Type: Wireless Mouse Connectivity Technology: Wireless Type Of Sensor: Optical Number Of Mouse Buttons: 7 Scroll: Yes Max. Speed: Up to 12000 Wireless Dongle: USB Type Of Battery: 1 x AA Battery Life: Up to 24 hours Color: Black Dimensions (Height x Width x Depth): 62.1 x 116.6 x 38.2 mm Weight: 99 g Warranty For Individual Customer: 12