The Dell MS3320W - Mobile Wireless Bluetooth Mouse in Titan Gray is a brand new sealed mouse that offers optical tracking, 3 buttons, a scroll wheel feature, and a maximum DPI of 1600. With wireless connectivity via Bluetooth, this sleek and modern mouse is designed by Dell and manufactured in China. Perfect for those who require a reliable and efficient mouse for their computing needs, this unit is a compact and convenient option for users looking for a high-quality mouse with a stylish design.