(pairing mode) or flash once every 1 second (reconnection state).
Power Off: Turn the Power switch to “OFF” position with the red indicator light flashing twice.
Automatic Standby Function: In power-on state, if no operation or connection is performed,
BH281A will enter standby state: the blue indicator light will go off and pairing mode will be
disabled. If it needs pairing again, short press the “
” button to activate the transmitter and
enter pairing mode.
2.Enter Pairing Mode
In power-on state, short press the “
” button to enter pairing mode with the blue indicator
light flashing quickly.
3.Connection to the First Bluetooth Headphone
3.1.Connect BH281A to a television or non-Bluetooth computer via an audio cable.
3.2.In power-on state, short press the “
” button to enter pairing mode with the blue indicator
light flashing quickly.
3.3.Turn on your Bluetooth headphone or Bluetooth speaker etc. and enter pairing mode. Tips:
Usually, your headphone’s indicator light will flash red and blue alternately or flash blue quickly.
3.4.The distance between BH281A and Bluetooth headphone or Speaker should be within 1 m. It
may take 5-30 seconds to complete the connection. The corresponding lighting modes for
different codecs can be shown as follows:
A: The blue indicator light will always stay on (SBC transmission)
B: The blue indicator light flashes once every 10 seconds (APTX transmission)
C: The blue indicator light flashes twice every 10 seconds (APTX LL transmission)
3.5 When the above connection is complete, you can enjoy music via your headphone or speaker.
4.Connection to the Second Bluetooth Headphone
4.1 Connect BH281A to the first Bluetooth headphone, then turn on the second one and activate
its Bluetooth pairing mode (Usually, its indicator light will flash red and blue; or will flash quickly).
4.2 Short press the “
” button of BH281A. And it will enter Bluetooth pairing mode with the
blue indicator light flashing quickly.
4.3 Narrow the distance between BH281A and the second Bluetooth headphone
（
within 1m
）
. It
may take 5-30 seconds to complete the connection. Then, the red indicator light will flash once.
And the corresponding lighting modes for different codecs can be shown as follows:
A: The blue indicator light will always stay on (SBC transmission: if either headphone only
supports SBC).
B: The blue indicator light flashes once every 10 seconds (APTX transmission: both headphones
support APTX).
C: The blue indicator light flashes twice every 10 seconds (APTX LL transmission: both
headphones support APTX LL).
