Brand: Logitech Model/PN: L910-007121 Type: Wireless Mouse Connectivity Technology: Bluetooth Type Of Sensor: Optical Number Of Mouse Buttons: 3 Scroll: Yes Max. Speed: 4000 Wireless Dongle: USB Type Of Battery: 1 x AA Battery Life: Up to 18 months Color: Rose Dimensions (Height x Width x Depth): 9.9 x 6 x 3.9 cm Weight: 73.8 g Warranty For Individual Customer: 24