In a call
Blue light is on
End a call
Blue light is on
Clean paired device list
The red and blue LED flash alternately
Charging
Red LED is on when charging; red LED is off when full charged.
Low Voltage
Red LED flashes per 2s
Trouble removal
Technical specifications
Bluetooth Version: V5.0
Support Profile: A2DP v1.3 AVRCP v1.6 HFP v1.7 HSP1.2
Connection: Outdoor≥12m Indoor≥15m
Pairing name: B050
Speaker diameter/Speaker diameter: 40±0.3mm
Frequency response: 20Hz-20KHz
Noise reduction parameters: 20± 2dB
Li-battery Capability: 500mAh
Talking time: 20 hours
Charging time: 2.5 hours
Charger Mode: 5V-1A
Can not power
on
Please check if low capacity of battery and charging.
No sound when
connected to a
external device
via Bluetooth
. Check the volume and play / pause button status on the external device
and headphone to make sure the Bluetooth connection is set up correctly.
. Before connecting the headphone, test the playback of the file on your
Bluetooth device to make sure this file is OK.
. Try to play another files, maybe current file is not compatible or damaged
. Make sure no other Bluetooth devices interfere with the current Bluetooth
connection.
No sound when
connected to a
external device
by 3.5mm audio
cable
. Check the volume level of the connected device and the headphone,
check the play / pause button on the connected device, and make sure that
the line connecting the device and the headphone is intact and securely
connected.
. Play the file on the test device before connecting the headphone.
. Try to play another file, maybe your playing file is not compatible or
damaged.