The Dell MS7421W Premier Wireless Rechargeable Mouse is a sleek and ergonomic mouse designed for long battery life. With a maximum DPI of 4000 and optical tracking method, this white mouse offers precise and smooth performance. It features 7 buttons and a rechargeable design, making it easy to use and convenient for everyday tasks. The wireless connectivity allows for freedom of movement while working or gaming on your computer. The Dell Premier Wireless Mouse is a reliable and stylish option for those looking for a high-quality mouse for extended use.