The Dell MS5120W Mobile Pro Wireless Mouse in Gray is a high-quality mouse with Bluetooth 5.0 connectivity, making it easy to connect to your devices without the need for a dongle. It features a maximum DPI of 4000, allowing for precise and smooth cursor movement. With seven buttons and an optical tracking method, this mouse offers a comfortable and efficient user experience. Made by Dell, a trusted brand in technology, this mouse is reliable and new in box, ready to use straight out of the packaging.