background image

Bluetooth Earphone       

User Manual

 

BT-578

CHARGING YOUR EARPHONE

APPEARANCE 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-5

78

" 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 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 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 

120

mAh 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

7

4

2

3

1

2

3

4

6

5

Button illustration:

1.
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)

Reviews: