Dell Ms5320w Multi-Device Wireless Mouse - (570-Abhi) - Device Type: Mouse, Movement Resolution: 1600 dpi, Movement Detection Technology: Optical, Connectivity: Wireless - 2.4 GHz, Bluetooth 5.0, Dimensions (WxDxH): 6.97 cm x 11.45 cm x 4.16 cm, Weight: 84 g, Features: Swift Pair, shortcut buttons, Battery: AA type, Colour : Titan Grey