KENSINGTON SureTrack Wireless Mouse Bk 80004518 K75298WW Product Description: Kensington SureTrack Dual Wireless Mouse - mouse - 2.4 GHz, Bluetooth 5.0 LE, Bluetooth 3.0 - black Device Type: Mouse Connectivity Technology: Wireless - 2.4 GHz, Bluetooth 5.0 LE, Bluetooth 3.0 Colour: Black Dimensions (WxDxH): 6.2 cm x 11 cm x 3.6 cm Weight: 65 g Wireless Receiver: Nano USB wireless receiver Movement Detection Technology: Optical Buttons Qty: 4 Movement Resolution: 4000 dpi Performance: Realtime sensitivity switching 1200/2400/4000 dpi Features: Scrolling wheel, DPI switch Manufacturer Warranty: 3-year warranty