•
Using headphones while driving can distract you and increase the likelihood of an accident. If driving
conditions demand it (such as bad weather, high traffic density, presence of children in the car, difficult
road conditions), pull off the road and park before making or answering calls.
•
Battery life may differ depending on personal habits.
•
Please do not rotate the headset when the head band has been set/pushed to the lowest position.
•
This appliance should be used in moderate climates.
Warning
•
To prevent potential hearing damage, do not listen at high volume levels for long periods.
•
Do not turn the volume up too high; doctors warn against prolonged exposure to high volumes.
•
Stop using the product or lower the volume if you feel your ears ringing.
•
Prolonged listening at high volumes could lead to hearing damage.
Product specification
Using the headphones
This guide is provided to help you get started quickly with your wireless stereo headphones; please read it
carefully and save it for future reference.
What’s in the box
1.
Bluetooth headphones
2.
USB charging cable
3.
Aux cable
4.
Instruction Manual
Power Supply
We recommend that you fully charge the battery before using for the first time. Allow approximately 2 hours
for a full charge.
•
Plug the Micro USB end of the supplied USB cable into the USB micro port charger connector
under the right earcup of the headphones.
•
Plug the other end into a USB port on your computer or another device used for USB charging.
•
Allow about 2 hours for a full charge. The indicator light will be red while charging. Once fully
charged, the indicator light will be blue.
BH-21
Item Code
BH21
Bluetooth Chipset
BK3266
Bluetooth Version
5.0
Opera
ti
on Frequency range
20Hz-20KHz
Transmission Distance
10m
Driver Unit size ( mm)
40mm
Magnet type
NdFeB magnet
Sensi
ti
vity
102dB±3dB At 1KHz
impedances
32
Ω
±15% At 1KHz
Input Power
10mW
Ba
tt
ery capacity
500mAh
Charging
ti
me
2Hours
Music Playback
ti
me
27Hours
Calling Time
30Hours
Accessories
1. 1pc USB charging cable 2. 1pc Aux-in cable
