the pairing mode. Make sure the headset is under the pairing mode and in the
effective working range, and then the headset can be paired and connected.
5 Why can’t hear the voice from the headset?
a) Make sure the headset is turned on;
b) Ensure the volume of the headset is not too low or mute;
c) Make sure the headset connects well with your cell phone;
d) Ensure the distance between the headset and your cell phone is in the normal
working scope.
6 Why is there no voice when making a call with the headset?
a) Make sure your cell phone is in the strong signal area;
b) Ensure the headset is in the function range.
7 Why can’t I remotely control the pause, play, previous track and next track functions
with the headset when playing music?
The function needs the Bluetooth device paired with the headset to support AVRCP
(Audio/Video Remote Control Profile). Please make sure your cell phone or Bluetooth
transmitter supports AVRCP profile.
Bluetooth 3.5mm audio adapter FAQs
1. What to do when proHarmony.3D can’t be switched on?
Please charge it.
2. What to do when proHarmony.3D can’t pair and connect to a Bluetooth device?
1) Make sure Bluetooth stereo receiver supports A2DP;
2) Make sure Bluetooth stereo receiver is placed within 5 meters;
3) Make sure Bluetooth stereo receiver has already entered into pairing mode.
3. What to do when ProHarmony.3D can’t be switched off?
Please charge it for about 2 seconds.
Notes:
1. This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions: (1) this device may not cause harmful interference, and (2) this
device must accept any interference received, including interference that may cause
undesired operation.
2. Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
