Lot of 4 Logitech M550 L Wireless Mouse is a brand new product with a 1-year manufacturer warranty. It features a sleek black color and wireless connectivity via a Bluetooth USB receiver. The mouse has an optical tracking method, making it precise and efficient for navigating on computers, tablets, and other devices. Designed by Logitech, a reputable brand known for high-quality computer peripherals, this mouse is a reliable choice for those seeking a smooth and accurate pointing experience.