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USB volume control knob with rotary dial and mute button

Ruth's sister

Ruth's sister USB Volume Control Knob internal power cable

SKU CH-2MC4-79X3F

A USB volume control knob for PC speakers with one-key mute and Bluetooth compatibility

  • Adjust system volume instantly with a tactile rotary knob
  • Mute audio in one press using the dedicated button
  • Connect directly to a USB header for internal power
  • Control multimedia playback without reaching for the keyboard

USB Volume Control Knob

The Ruth's sister USB Volume Control Knob provides a physical rotary controller for system or speaker volume on a desktop PC. It connects via USB and includes a one-key mute function for quick silencing. The device is intended for users who prefer tactile adjustment over software sliders or keyboard shortcuts.

Bluetooth-Compatible Interface

Volume commands are transmitted over a Bluetooth-compatible wireless link, so the knob must be paired with a host that supports Bluetooth audio or HID profiles. Range and stability depend on the computer's Bluetooth adapter and local radio environment. Systems without built-in Bluetooth or with older adapters may not maintain a reliable connection.

Highlights

  • Adjust system volume instantly with a tactile rotary knob
  • Mute audio in one press using the dedicated button
  • Connect directly to a USB header for internal power
  • Control multimedia playback without reaching for the keyboard

Specifications

No published specifications for this item yet.

Questions about this item

Should I choose the USB version or the Bluetooth-compatible version of this volume control knob?

This single product combines both interfaces — it connects via USB for power and control while also supporting Bluetooth-compatible wireless operation, so there is no separate version to pick.

What does the one-key mute function actually do when I press the knob in a real PC?

Pressing the knob once instantly mutes the system audio output; pressing it again restores the previous volume level without needing to open software mixers.

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