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The power does not turn on
Check the battery level and charge it.Cannot make a call with theHBS-780
If the mobile phone does not support headset and hands-free functions,you cannot use the calling features.Check the battery level and charge itCannot connect theHBS-780 to mobile phone
Check whether the HBS-780 is turned on.Check whether the HBS-780 is in Search mode.- Simultaneously press and hold the Call button and slide thePower switch to the ON position to put the HBS-780 in Search mode
The sound is low
Control the sound level of the device connected to the HBS-780.Lg Tone 780
LG’s Tone lineup of headphones includes the LG Tone Pro HBS780. Don’t let the complicated name fool you. These are basic everyday listening headphones. The HBS780 model is the budget option from the Tone line offering Bluetooth connectivity, impressive battery life, and all the regular features you’d expect from a pair of wireless headphones. View and Download LG HBS-750 user manual online. BLUETOOTH Stereo Headset. HBS-750 Headsets pdf manual download. Schiller medilog ar12 plus user manual. Also for: Tone pro hbs-750.