Boya K-buds, Manual

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②
Check whether the earbuds are placed in the charging case
properly.
③ Check whether the charging case has sufficient power.
Q: How do I adjust the volume with the earbuds?
A:
①
Press and hold the MFB button on the left earbud for 1.5s to
decrease the volume.
Press and hold the MFB button on the right earbud for 1.5s to
increase the volume.
②
When you adjust the volume, most Android phones won’t
display the change. You need to hear the volume change
yourself (there are 15 volume levels in total).
Q: How do I connect the earbuds to a device?
A:
①
Turn on the earbuds and wait until the blue indicator light
flashes every 0.5s, which means the earbud is pending for
connection.
②
Turn on the Bluetooth function on your device and connect to
the Bluetooth device named “K-buds”.
Q: No sound from the earbuds?
A:
①
Check if the earbuds are connected to the mobile phone, and
whether audio is selected.
②
Check if the earbuds are muted.
③
Check if there is nearby electromagnetic interference or if the
earbuds are too far away from the device.
Warranty
① The warranty only extends to issues that emerge during normal use.
②
Under the following circumstances, the free warranty will be refused.
A. The product has been mishandled, inadvertently used, or
damaged due to irresistible movement.
B. The product has been disassembled and repaired privately
without the company's permission.
C. The head unit is in the form of debris or impact, which causes the
diaphragm to deform, crush, and soak for a long time. Damage
to the casing, deformation, etc.
NOTE: This equipment has been tested and found to comply with the
limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against