
User Manual
Low Latency Wireless Headphones
BTHS-AS9P
Overview ------------------------------------------------------------------------------------------------------------------
Basic operation ----------------------------------------------------------------------------------------------------------
LED indicators -----------------------------------------------------------------------------------------------------------
Connecting with a mobile phone ----------------------------------------------------------------------------------
Use with two mobile phones simultaneously -------------------------------------------------------------------
Reconnecting ------------------------------------------------------------------------------------------------------------
Use with an NFC enabled mobile phone------------------------------------------------------------------------
Connecting with a TV --------------------------------------------------------------------------------------------------
Why is there no sound?------------------------------------------------------------------------------------------------
Connecting with a Bluetooth enabled PC/Laptop -------------------------------------------------------------
Use as wired headphones --------------------------------------------------------------------------------------------
Charging ------------------------------------------------------------------------------------------------------------------
Clear pairing history ----------------------------------------------------------------------------------------------------
Troubleshooting ---------------------------------------------------------------------------------------------------------
1
1
2
2
3
3
3
4
5
6
6
7
7
7

Overview
(MFB)
Basic operation
utton Function
B
Power on
Power o
Answer a call
End a call
Reject a call
Redial last number
NFC
AUX
Operation
Press and hold MFB for 1 second
Press and hold MFB for 2 second
Press MFB once
Press MFB once
Press and hold MFB for 1 second
Double click MFB
Play music
Pause music
“V+” and “V-”
“V+” and “V-”
and “V+”
and “V-”
V+ Volume up
V-
V+
V- Previous track Press and hold “V-”
Voice Dial / Command (Phone feature)
Bass boost
Voice prompts ON
Voice prompts OFF
Volume down
Next track
Note: To switch between Bass ON and Bass OFF modes, press and hold V+ and V- for about 3 seconds
while listening to the music. You will hear the voice prompts “Bass on” and “Bass o”.
Press MFB once
Press MFB once
Short press both
Press and hold both “V+” and “V-” for 3 seconds
Press both MFB and “V+” once
Press both MFB and “V-” once
Press “V+” once
Press “V-” once
Press and hold “V+”
“V+” and “V-”
1

LED indicators
Working mode
SBC codec
AAC codec
aptX codec
aptX Low Latency codec
Note: aptX Low Latency is supported when the headphones are paired with a transmitter that also
supports aptX Low Latency. This can be veried by the LED indications.
Headphones LED indicator
LED ashes BLUE once every 7 seconds
LED ashes BLUE twice quickly every 7 seconds
LED ashes WHITE once every 7 seconds
LED ashes WHITE twice every 7 seconds
Connecting with a mobile phone
Use with one mobile phone
The rst time you turn on your headphones they will automatically enter pairing mode.
Step 1 While the headphones LEDs are ashing red and blue alternately, activate Bluetooth ® on your
phone and set it to search for new devices.
• iPhone ® Settings > Bluetooth > On*
• Android ™ Settings > Bluetooth: On > Scan for devices*
NOTE *Menus may vary by device.
Step 2 Select “Avantree Audition Pro” - If prompted, enter passkey 0000/accept connection.
Step 3 Once successfully paired, you will hear “your headset is connected”.
If you want to pair another phone, you can enter pairing mode by pressing and holding the “MFB”
button for 5 seconds until the LED ashes alternately blue and red.
NFC
2