USB Volume Control Knob Computer Volume Controller 3 Modes Bluetooth-Compatible5.1 Multimedia PC Speaker External Audio Adjust Knob One-key Mute 3.5mm AUX with Play/Pause/Back/Forward
Feature:
1.Aluminum Alloy Housing: Our USB volume control knob is encased in a matte, fingerprint-resistant aluminum alloy shell. With a one-click anti-slip rotating button, it offers a more comfortable touch and scratch-resistant durability than plastic alternatives. The USB plug-and-play functionality ensures a seamless setup and usage experience.
2.360-Degree Rotating Arc Button: The easy-to-use 360-degree rotating arc computer volume controller allows you to comfortably adjust volume, mute/unmute, and control tracks. It eliminates discomfort caused by sharp edges, making it the perfect desktop control for your computer's sound.
3.Quick Volume Adjustment: Say goodbye to constantly using mouse and keyboard for volume control. With our multimedia PC speaker external audio adjust knob, you can quickly adjust your computer's volume or switch to Bluetooth-Compatible mode for wire-free convenience.
4.Inbuilt Bluetooth-Compatible 5.1 Chip: The volume control adjuster knob comes with an inbuilt Bluetooth-Compatible 5.1 chip ensuring stable and fast transmissions. With a barrier-free range of up to 15 meters, it offers you a wireless gaming experience; it can connect to Bluetooth-Compatible speakers to transmit computer sound to speakers/amplifiers. Enjoy limitless online music with your speakers and amplifiers, basking in the enchantment of music.
5.External Sound Card Mode & Portability: Enjoy lossless sound quality with external sound card mode of multimedia control knob-just plug your headphones into the 3.5mm jack to listen to your computer's audio. No more crawling under desks to find the headphone jack. Plus, our device is smaller than a cell phone, making it super portable for on-the-go work.

 

Specification:
Name: PC volume controller
Colour: Black
Material: aluminum alloy
Bluetooth-compatible version: Bluetooth-compatible 5.1
Bluetooth-compatible protocol: A2dp\avctp\avdtp\avrcp\hfp\spp\smp\att gap\gatt\rfcomm\sdp\l2cap
Music formats: MP3, WMA, APE, FLAC, AAC, MP4 , M4A, WAV, AIF, AIFC
Signal-to-noise ratio: ≥90dB
Mode: Bluetooth-compatible mode, external sound card mode, volume control mode
Installation method: USB driver-free
Compatible system: for WinXP 7 8 10, for Mac os, plug and play, no driver required
Dimensions: 97x61x35mm/3.82x2.4x1.38in
Weight: 150 grams

Product interface operation instructions:
3 modes 3 indicator lights (red/blue/green)
Red light - computer volume adjustment mode, volume adjustment, one-key mute, up/down song switching.
Blue light - USB sound card mode, plug in 3.5mm headphone to AUXOUT, monitor computer sound.
Green light - Bluetooth-compatible transmission mode, long press the MODE button to enter the Bluetooth-compatible search, the green light flashes quickly.
Automatically search for and connect to the surrounding Bluetooth-compatible headphones/speakers and other devices, and the green light is always on after the pairing is successful.
Slow flashing green light: Reconnecting (automatically reconnecting to the last Bluetooth-compatible headset/speaker).
Green light fast: Bluetooth-compatible searching (searching for and connecting new Bluetooth-compatible devices).
Steady green light: successfully connected and paired. (Sound transmission takes about 10 seconds)
Bluetooth-compatible switch: Press and hold the MODE button to automatically search for and connect to the next Bluetooth-compatible device.
USB port: connect with the USB port of the computer/notebook (can not connect 2 computers at the same time)
Type-C: power supply

Bluetooth-compatible pairing steps:
First step:
Press the Mode button to enter the Bluetooth-compatible transmission mode, the green light flashes slowly (connecting back), and the device will automatically pair with the most recently successfully connected Bluetooth-compatible headset/speaker.
Step 2:
For a new device, please press and hold the Mode button for 3 seconds, the green light flashes quickly, enter the Bluetooth-compatible search mode, and automatically search for and pair the surrounding Bluetooth-compatible devices. compatible device.
third step:
This product has a Bluetooth-compatible switch function. Press and hold the Mode button to exclude the previously connected Bluetooth-compatible device and re-pair the new Bluetooth-compatible device. (To pair the previous Bluetooth-compatible device again, unplug the USB cable and plug it back in)

Note:
Different Bluetooth-compatible devices (headphones/speakers) are different due to the scheme and protocol used. The search connection time will be different. If the Bluetooth-compatible cannot be searched, turn on the Bluetooth-compatible of the mobile phone to check whether the Bluetooth-compatible headset is turned on, and re-plug and unplug the USB cable, and then search again.
Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-2cm measuring deviation due to manual measurement. 1 x Volume Controller with Cable