Sanwa Supply Wireless Ring Mouse 3 MA-WRING3BK

A wireless ring mouse that can be attached to your finger and operated with your thumb. All operations can be performed with one thumb. Just wear it like a ring, so you can use the keyboard or do other tasks while wearing the ring mouse. Since you can operate it by wearing it on your finger, you can easily operate your computer while lying on the sofa or bed. Equipped with a PowerPoint mode that supports PowerPoint blackout and page turning. *Some functions may not be available in PowerPoint for Mac.