Sanwa Supply Silent Mouse Model Number: 196 series (MA-SWBL196BKN) Connection: Wireless (USB-A) Color: Black Power: Battery-powered Other Features: Blue LED, 5 buttons, back/forward buttons, compatible with Windows, Mac, and Chrome OS, silent type Included: USB receiver, instruction manual Thank you for viewing. I purchased this on February 20th, but I no longer need it, so I am selling it. I used it only once, and the product is in clean condition. Please note that a store sticker from the purchase location is on the barcode area on the back. The included battery is already installed in the mouse.