Dell Ms5120w Mobile Pro Wireless Mouse - Titan Gray (570-Abhl) - Device Type: Mouse, Movement Resolution: 1600 dpi, Movement Detection Technology: Optical, Connectivity: Wireless - 2.4 GHz, Bluetooth 5.0, Dimensions (WxDxH): 2.4 in x 4.1 in x 1.5 in, Weight: 2.6 oz, Battery: AA type, Colour : Titan Grey