Microsoft Surface Mobile Mouse, silver, with Bluetooth connection. - Brand: Microsoft Surface - Model Name: Mobile Mouse - Connectivity: Bluetooth - Technology: BlueTrack Technology - Color: Silver Thank you for viewing. With a lightweight and portable design, Bluetooth wireless connection for easy pairing, and an aluminum wheel for smooth scrolling. ■ Condition Purchased at K's Denki. Used only once or twice, so it's in very good condition. The retail price was about 10,000 yen. I will also include the two AAA batteries I bought with it, so you can use it right away. The instruction manual is included in the box as it was when I bought it. Please feel free to comment if you have any questions. Microsoft Surface Mobile Mouse KGY-00007 MODEL NO. 1679/1679C Power supply: Battery-powered Connectivity: Wireless (Bluetooth)