USB Volume Control Knob Multimedia Computer Speaker Controller Adjust Knob One-Key Mute with Pause Skip

USB Volume Control Knob Multimedia Computer Speaker Controller Adjust Knob One-Key Mute with Pause Skip Description

A. Sound control: The red , the knob adjusts the volume of the computer, the one-key mute, the song /down song .
B. 3.5mm audio output: , wired earphone is inserted into AUX OUT hole, computer voice is output from earphone.
C. -Compatible Transmit: When the green , long press the MODE button to enter.
-Compatible search, and the green light flashes quickly to automatically match around.
-Compatible headset, -Compatible speaker and other devices, the green light is steady after successful pairing.

Parameters
version: 5.1
protocol:A2dp/avctp/avdtp/avrcp/hfp/spp/smp/att /gatt/rfcomm/sdp/l2cap
Music format: MP3, WMA, APE, FLAC, AAC, MP4, M4A, WAV, AIF, AIFC
Signal to noise ratio: 90dB
Compatible system: for Win XP 7 8 10, for os, plug and , no driver required
Transmit
1) . press the mode button to enter the -Compatible transmission mode, and the green light flashes slowly (connecting) It will automatically reconnect the -Compatible headset / speaker that was paired successfully last .
2) . For new -Compatible headset, press the mode button for 3s, the green light flashes quickly. To enter the -Compatible search mode, automatically search and connect a new -Compatible headset/speaker. If not the correct -Compatible headset, continue to press the mode button to search and pair the next -Compatible headset.
3).Press and hold the mode key to access the -Compatible headset from
(A) to (B), (B) to (C), (C) to (D).
If you need to reconnect the -Compatible headset (A), you need to unplug and plug in the USB cable
Different batches may have different appearances, but will not affect the use
Colo