3 Modes USB Computer Volume Controller Bluetooth-compatible 5.1 Multimedia PC Speaker External Audio Volume Control Adjust Knob with Cable
Feature:
Aluminum metal housing. Aluminum alloy matte anti-fingerprint, one-button non-slip rotary button, more comfortable touch and scratch resistance than plastic cover
USB plug and play. 360-degree rotatable arc button, easy to use (volume adjustment, mute, up and down, pause), and avoid discomfort caused by sharp edges
Computer sound desktop control. Quickly adjust the volume, say goodbye to the mouse and keyboard, rotate the button to quickly adjust the computer volume
Bluetooth-compatible mode. Install a wireless Bluetooth-compatible computer to get rid of the shackles of wired. Built-in Bluetooth-compatible 5.1 chip, stable and fast transmission, and the barrier-free distance can reach 15 meters; connect to a Bluetooth-compatible speaker, the computer sound is transmitted to the Bluetooth-compatible speaker/amplifier, and the endless songs and music in the Internet world can be transmitted to the speaker and power amplifier. enjoy the charm of music
External sound card mode. The computer is equipped with an external sound card, without loss of sound quality. In the computer external sound card mode, you can monitor the computer sound by simply inserting the headphones into the 3.5mm headphone jack.
Small and easy to go. Less than the size of a mobile phone, suitable for office work, easy to carry

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.

1x volume controller with cable