USB Volume Controller Programmable Dial Knob

Dual mode knob supports Wired mode and Bluetooth mode

Dual mode knob DOES NOT have RGB

Wired Mode knob has RGB

Default volume control function

Clockwise to increase volume， Counterclockwise to decrease volume Press to mute

Press + Clockwise = previous song

Press + Counterclockwise = next song

lso support Surface Dial mode

Adjustable RGB lights, lights can be turned off

Size: Upper Diameter(knob) around 4cm, Bottom Diameter(Base) Around 5cm, Height 3cm

https://sayodevice.com/device   to set the function

manual.sayodevice.com  to see the manual