The Microsoft Wireless Notebook Optical Mouse is a sleek and reliable option for users looking for a wireless mouse with an optical tracking method. This mouse features a convenient snap-in receiver that turns mouse of automatically to save battery power. USB only. Battery included, but may not work, as this is new old stock. The snap-in receiver makes it easy to connect to your device, and the gray color adds a touch of sophistication. This mouse is perfect for those who need a mouse for their notebook and/or desktop computer. Made in the United States, this Microsoft mouse is a high-quality and durable option for those looking for a reliable input device. I have 4 of these available for sale, all identical in Sealed Blister Package. Will combine shipping if more than one is purchased. Please inquire with any questions. Thank you for looking!