Wireless connection silver LED mouse, with USB receiver, compatible with Windows. - Model Name: Wireless Mobile 3500 - Color: Euro Silver - Connectivity: Wireless - Included Items: USB receiver - Compatible OS: Windows 10/8/7 - Features: LED mouse - Country of Manufacture: China I'm using the same one, and it's a compact and very comfortable mouse. It seems to be sold on Rakuten Ichiba for 14,000 to 20,000 yen. Thank you for viewing. Power Source...Battery-powered Connection Type...Wireless (Bluetooth)