The Dell MS5320W Multi-Device Wireless Bluetooth RF Mouse is a sleek gray mouse with a compact design, measuring 2.79 inches in length, 4.46 inches in height, and 1.65 inches in width. It features a high maximum DPI of 4000, optical tracking method, and a total of 7 buttons, including programmable ones for added convenience. This mouse is designed for wireless connectivity via Bluetooth and RF, making it versatile for use with various devices. With a manufacturer warranty of 36 months, this Dell mouse offers reliability and functionality for its users. Item is new and sealed in original factory packaging.