Avantree C81 Bluetooth USB External Audio Transmitter User Guide
- June 5, 2024
 - Avantree
 
Table of Contents
**Avantree C81 Bluetooth USB External Audio Transmitter User Guide
**
Box Contents
- 
C81
 - 
QUICK GUIDE
 - 
USB A TO TYPE CABLE
 - 
3.5 SMM MICROPHONE ADAPTER(For PS4/PSS Controller)
 
Compatible


- 
Plug the C81 into USB C port

 - 
1st-time use the C81 will enter pairing mode automatically, the LED will flash BLUE & WHITE”
 - 
Non-1″ time use, manually enter C81 into pairing mode: Press & Hold MFB until LED flashes BLUE & WHITE

 - 
Put your Headphone/Speaker into “Bluetooth Pairing Mode”. Please refer to your device’s user manual.
 - 
Once connected, LED on C81 will turn SOLID BLUE

 - 
Set C81 as your default Input/ Output device in your Computer/ Gaming Console’s audio settings menu.
 
Microphone
Once in talk mode, LED on C81 will turn SOLID WHITE.
- Work with Windows PC/ Macbook – Auto switch between talk mode & music mode.
 - Work with P55 – Microphone function only available when used with Avantree FastStream Bluetooth headphones.
 - Work with Linux and Chromebook – Double-click MFB to turn on Microphones
 
Online Support

Troubleshooting & FAQ
- Cannot Pair?
 - Microphone not Working?
 - NO Sound /Not Working?
More FAQ and User tips are available online. 
Contact Us
| avantree.com/submit-a-ticket
---|---
| support@avantree.com
| USA / Canada: +1800 232 2078
(US Toll Free, 9am-6pm PST, Mon-Fri )
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ES: + 34 931786261 (9am-6pm, CET, Mon-Sat )
AU: + 61 2 8310 9897 (11 am-7pm, Sydney Time, Mon-Fri)  
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Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>