Sanwa Supply Bluetooth Ring Mouse scroll (with wheel) MA-BTRING5BK

This is a Bluetooth ring mouse that you wear on your finger and can operate with your thumb. The addition of scrolling has significantly improved usability. All operations can be performed with just one thumb. It supports the Bluetooth Ver 5.0 standard and can connect to Bluetooth-enabled computers without a receiver. Since it simply slips on like a ring, you can use the keyboard and perform other tasks while wearing the ring mouse.