Fosi Audio VOL20 Bluetooth Knob RGB Lighting USB Versatile Desktop Volume Controller for PC/Gaming/Desktop Multi-Function Button
Gaming Controllers
“The Fosi Audio VOL20 features a durable CNC zinc alloy chassis and offers both USB-C wired and Bluetooth connectivity for remote volume/media control. While it provides a tactile, premium feel for desktop setups, users should note that Bluetooth latency exists and the side-mounted buttons are difficult to operate by feel.”
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CNC zinc alloy construction provides significant weight and long-term physical durability.
fosiaudio.comCNC All-Metal Zinc Alloy Guarantees texture and lasting durability while enhancing the weight and stability
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USB-C wired connection eliminates the minor latency inherent in Bluetooth mode.
hifireport.comBluetooth latency introduces a small but perceptible delay... USB-C connection eliminates this entirely
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Extended battery life allows for weeks of use when RGB lighting is disabled.
hifireport.comRGB disabled means charging frequency is measured in weeks for most users
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Side-mounted play/pause buttons are low-profile and difficult to locate by touch.
hifireport.comside-mounted play/pause and track control buttons are low-profile and positioned at the base
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Firmware interaction with Windows 11 causes persistent false low-battery notifications.
hifireport.comfirmware interaction with Windows 11 causes some units to display a persistent false low-battery notification
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Bluetooth pairing is limited to one device at a time, requiring manual re-pairing.
hifireport.comconnects to only one Bluetooth device at a time; switching... requires unpairing and re-pairing