Does not turn on
Check whether the battery of
the HFB-510 is fully charged.
Check whether your mobile phone
communicate with supports the "Headset" and/or
the LG Bluetooth
"Handsfree" Bluetooth Profile(s).
Hands-free car kit Check whether the HFB-510
battery is low.
Unable to pair
Check and make sure the HFB-510 Press and hold the PWR button for
the HFB-510 with
Check and make sure the HFB-510 When the power is off, press and
is placed in pairing mode.
Extremely low or
Check the speaker volume.
A wireless device for wireless data
Name of product
communication system (LG HFB-510)
HFP, HSP, GAP, SDAP
2.402GHz ~ 2.480 GHz(ISM band)
Within 10m / 33ft
3.7V, Li-polymer, 780mA
Up to 1000 hours
Up to 16 hours
Using solar power
-20°C ~ 60°C
Dimension / Weight
104.4 x 66.5 x 27.6 (mm) / 86 (g)
Charge the battery
Determine whether your handset
supports the "Headset" or
"Handsfree" Bluetooth profile(s).
Charge the battery.
1 second to turn on the HFB-510
hold CALL button for at least 5
seconds to place the HFB-510
in the pairing mode
Press either the VOL UP button or
the VOL DOWN button to control
the volume accordingly
Approximateely 3 h
Approximateely 33 h
(For a complete charge)
Do not drop the unit from high places.
Do not modify, repair, or take apart.
Do not expose directly to water, alcohol,
benzene, etc. for clearing.
Do not expose directly to flammables.
Do not place or keep the unit near flammables.
Keep unit away from humidity & dust.
Do not place heavy objects on the unit.
Please only use the hands-free car kit with an
LG original charger. Otherwise the hands-free
might be damaged.
Changes or modifications not expressly approved by the party responsible
for compliance could void the user's authority to operate the equipment.
There is a risk of explosion if the battery is replaced by an incorrect type.
Dispose of used batteries according to the instructions.