Shenzhen heng shang pin technology co. LTD B4 Benutzerhandbuch
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9. USER GUIDE SUMMARY
FUNCTION
STEP
Power On/Pair
Press and hold the “MFB” for 4 secs
Power off
Press and hold the “MFB” for 6 secs
Answer Call
Click the Multifunction button
End Call
Click the Multifunction button
Reject call
Press and hold the Multifunction button for 3 secs
Redial last number
Double-click the Multifunction button
Adjust the volume
Refer to section 6
Play or pause streaming
audio
audio
Click the Multifunction button
Play next or back
streaming audio
streaming audio
Refer to section 7
Restore to factory
settings
settings
Press and hold the Multifunction button for 3 secs
when charging.
when charging.
10. Q&A
Q Why do I have crackling noise?
A Bluetooth is a radio technology that is sensitive to objects between the
headset and the connected device. Ensure the headset and the connected
device are within range (up to 10 meters or 33 feet).
Q What is the range of the headset?
headset and the connected device. Ensure the headset and the connected
device are within range (up to 10 meters or 33 feet).
Q What is the range of the headset?
A This Bluetooth Headset supports the following maximum ranges: 10m/33ft.
Q Why can’t I hear anything?
Q Why can’t I hear anything?
A You might need to increase the speaker volume, or ensure that the
headset is connected to a device.
Q Why couldn’t my headset connect with the device?
headset is connected to a device.
Q Why couldn’t my headset connect with the device?
A Check your device’s Bluetooth menu and delete/forget the headset.
Re-connect the headset to your Bluetooth device following the Bluetooth
connection instructions(Section 5).
Q How to take care of my headset?
Re-connect the headset to your Bluetooth device following the Bluetooth
connection instructions(Section 5).
Q How to take care of my headset?
A Recommend to power off the headset and put it in storage case when not
use.
use.
Avoid storage at extreme temperatures (above 35°C/95°F or below