LENOVO ThinkPad Bluetooth Silent Mouse 80008028 4Y50X88822 Product Description: Lenovo ThinkPad Silent - mouse - Bluetooth 5.0 - black Device Type: Mouse Connectivity Technology: Wireless - Bluetooth 5.0 Colour: Black Orientation: Right and left-handed Dimensions (WxDxH): 5.8 cm x 10.7 cm x 2.9 cm Weight: 61 g Movement Detection Technology: Blue optical Buttons Qty: 3 Movement Resolution: 2400 dpi Performance: Realtime sensitivity switching 800/1600/2400 dpi Features: Scrolling 2-way button, on-the-fly DPI switching, ambidextrous design, Swift Pair, low profile design Battery: AA type Package Type: Retail Manufacturer Warranty: 1-year warranty