Connectivity Technology Wireless Interface 2.4 GHz, Bluetooth 5.1 Colour Graphite Dimensions (WxDxH) 8.98cm x 12.67cm x 4.58cm Weight 128.4g Wireless Receiver USB wireless receiver Buttons Qty 7 Movement Resolution Adjustable from 800 to 8000 at increments of 200 Features Vertical and horizontal scrolling, rechargeable battery, thumb rest, fast scrolling, track-on-glass sensor Included Accessories USB-C cable Battery Run Time (Up To) 3 months