Bluetooth Earphone
User Manual
BT-578
CHARGING YOUR EARPHONEAPPEARANCE AND PARAMETER
Your Bluetooth earphone comes with a built-in
rechargeable battery and a Micro-USB charging cable
Charge fully before use
Using the charging cable through the corresponding
port to charge the battery, the LED indicator will show
red while charging, and show red once fully charged.
Charging time is approximately 2hrs, providing up to
6hrs' playing.
GETTING STARTED
To use your Bluetooth earphone, please follow the
steps below:
1. Ensure your Bluetooth earphone is fully charged.
2. Pair your Bluetooth earphone to a Bluetooth-enabled
device prior to use.(See Pairing instructions)
Powering On the Earphone
Press and hold the Multi-Function Button for 3 seconds
until blue lights on
Powering Off the Earphone
SPECIFICATIONS
Once powered on, press and hold the Multi-Function
Button for 3 seconds until red lights on and out.
PAIRING YOUR EARPHONE
1. Power on your Bluetooth earphone
2. Press and hold the Multi-Function Button for
approximately 9-10 seconds until the indicator flashes
blue and red alternatively, your earphone is now in
pairing mode.
3. Activate the Bluetooth function of your devices and
start to search.
4. Select "BT-578" from the listed devices and connect.
5. The indicator will flash blue twice every 7 seconds once
successfully paired/connected.
Note:
1. The earphone should be within 3ft range from your
Bluetooth devices while pairing/playing.
2. Once paired, you don't have to pair the earphone with
your Bluetooth devices for future use. Just power on
the earphone and enable the Bluetooth function and
they will automatically detect and connect with each
other.
3. The earphone will automatically power off without
connection for 5 minutes
MUSIC MODE
Adjust Volume：
Short press the Volume+ to raise the volume or
Volume- to lower the volume.You can also adjust the
volume by your Bluetooth devices.
Play/Pause Music:
Once connected, short press the Multi-Function
Button to play or pause music.
Previous Track:
Press and hold the Volume- to the previous track.
Next Track:
Press and hold the volume+ to the next track.
CALL MODE
Answering a Call：
Short press the Multi-Function Button to answer an
incoming call, or answer the call normally via your
mobile phone.
Rejecting a Call：
Press and hold the Multi-Function Button for 2 seconds
to reject the incoming call.
Ending a Call：
Short press the Multi-Function Button to end the call
or end the call directly from your mobile phone.
Redialing a Call：
Double click the Multi-Function Button to redial the last
dialed phone number on your mobile phone.
Voice Assistant：
Once connected, press and hold the Multi-Function
Button for 1 second to access voice assistant of your
smart phone.
Dimensions 580×31×23mm
Weight 20g
Frequency response 20Hz～20KHz
Chipset QCC-3034
Bluetooth V5.0
Profile A2DP, AVRCP, HSP, HFP
Bluetooth range 10m
Battery 120mAh lithium-ion
Charging time about 2 hours
Playtime about 6 hours
Speaker diameter Φ6mm
Impedance 16Ω ±15%
Sensibility 96dB+/-3dB at 1KHz
MIC type MEMS MIC
LED INDICATOR
STATUS INDICATOR
Power On Blue(slow flash)
Power Off Red(solid and out)
Charging Red(solid)
Fully Charged Blue(solid)
Pairing Blue/Red(quick flash)
Connected Blue(slow flash)
Low Power Red(quick flash)
1
5 6 74
2 3
1 2 3 4
6
5
Button illustration:
1. Volume+
2. Multi-function button
3. LED indicator
4. Volume-
5. Micro-USB
6. MIC
STATUS INDICATOR
Power On Blue(slow flash)
Power Off Red(solid and out)
Charging Red(solid)
Fully Charged Blue(solid)
Pairing Blue/Red(quick flash)
Connected Blue(slow flash)
