This is a USB rechargeable wireless keyboard that supports multi-device connection. The layout is JIS (Japanese Industrial Standard), and I will send the instruction manual, USB cable, and box together. (Please note that the box is partially torn.) It is compatible with both Mac and Windows, and you can register up to 3 devices and easily switch between them. It's sold on Amazon for 4,599 yen. - Model Name: IC-BK22 - Connection Type: Wireless - Charging Method: USB Rechargeable - Keyboard Color: Black/Silver - Included Accessories: USB Cable Thank you for looking.