User Manual
Wireless Receiver for Headphones
BTHS-AS7L
Product overview & basic operation
Connecting to a mobile phone/tablet
Connecting to a Bluetooth transmitter
Connecting to two Bluetooth devices simultaneously
How to reset to factory default setting?
Charging
LED indications
Product Specications
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Product overview & basic operation
Volume up (Next track)Volume down (Previous track)
Micro USB port
LED indicator
Multi-function
3.5 mm Audio jack
Microphone
MFB
V+
V–
V+& V-
button (MFB)
Enter pairing mode
Answer/End a call
Reject a call Press & hold MFB for 2 seconds when a call is incoming
Last number redial Double click MFB
Play/Pause Press once MFB when streaming music
Volume up
Next track Press and hold
Volume down
Previous track
Voice Dial (Siri)
Restore to
default settings
From o mode, press & hold for 7 seconds until LED you will hear
“ Welcome to Avantree” / “ Goodbye”
Press MFB once when a call is incoming or in progress
Press V+ once
Press V- once
Press and hold
Press V+ and V- together once
Press and hold V+ and V- together for 7 seconds, the LED ashes BLUE
and RED together ( appears PINK)
Note: Some functions may not work when used with dierent mobile phones or other Bluetooth devices.
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