Dunno if you'd be able to find one these days but https://thedigitallifestyle.com/w/index.php/2017/06/23/microsoft-surface-dial-review-video/ https://thedigita

Dunno if you'd be able to find one these days but https://thedigitallifestyle.com/w/index.php/2017/06/23/microsoft-surface-dial-review-video/ https://thedigitallifestyle.com/w/index.php/2017/06/23/micro... "The Surface Dial is a [battery powered] Bluetooth rotary controller for controlling Windows"