Introduction
The LG TONE PRO HBS-780 is a wireless stereo headset designed for an enhanced audio experience on the go. It features Advanced Quad Layer Speaker Technology for balanced sound and dual MEMS microphones for clear calls. This headset offers smart functions like Voice Memo, Find-Me, and Tone & Talk for convenient control. Its sleek design includes hidden magnetic earbuds and low-profile wires for durability and practical use.

Figure 1: LG TONE PRO HBS-780 Wireless Stereo Headset.
Package Contents
Ensure all items are present in the package:
- LG TONE PRO HBS-780 Wireless Stereo Headset
- USB Charging Cable
- Ear Gels (Small, Medium, Large)
- User Manual (this document)
Product Overview
Familiarize yourself with the headset's components and controls.

Figure 2: Overview of headset controls and components. This image illustrates the location of buttons such as power, volume, call, and music controls, along with the charging port and microphone.
- Power Button: Turns the headset on or off.
- Volume Buttons: Adjusts audio volume.
- Call Button: Answers, ends, or rejects calls.
- Music Control Buttons: Play/pause, skip tracks.
- Microphone: For voice communication.
- Charging Port: Connects to the USB charging cable.
- Earbuds: Magnetic for secure storage when not in use.
Setup
Charging the Headset
- Connect the small end of the USB charging cable to the charging port on the headset.
- Connect the large end of the USB charging cable to a USB power adapter or a computer's USB port.
- The LED indicator will show charging status. A full charge typically takes approximately 2 hours.
Pairing with a Bluetooth Device
- Ensure the headset is fully charged and turned off.
- Press and hold the Power button until the LED indicator flashes blue and red alternately, indicating pairing mode.
- On your smartphone or Bluetooth-enabled device, enable Bluetooth and search for available devices.
- Select "LG HBS-780" from the list of found devices.
- Once paired, the LED indicator will flash blue periodically, and you may hear a confirmation tone.
Operating Instructions
Power On/Off
- To Power On: Press and hold the Power button for 2 seconds.
- To Power Off: Press and hold the Power button for 3 seconds.
Making and Receiving Calls
- Answering a Call: Press the Call button once.
- Ending a Call: Press the Call button once during a call.
- Rejecting a Call: Press and hold the Call button for 2 seconds.
- Redialing: Double-press the Call button to redial the last number.
Music Playback
- Play/Pause: Press the Play/Pause button once.
- Next Track: Press the Forward button once.
- Previous Track: Press the Rewind button once.
Volume Control
- Increase Volume: Press the Volume Up button.
- Decrease Volume: Press the Volume Down button.
Smart Features (Voice Memo, Find-Me, Tone & Talk)

Figure 3: Illustration of smart features including Voice Memo, Find-Me, and Tone & Talk functionality, showing how to activate them.
Refer to your device's specific instructions or the LG Tone & Talk application for detailed usage of these features.
Maintenance
- Cleaning: Wipe the headset with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
- Storage: Store the headset in a cool, dry place away from direct sunlight and extreme temperatures.
- Ear Gels: Regularly clean or replace ear gels for hygiene and optimal sound quality.
- Water Resistance: The headset is water resistant. Avoid submerging it in water or exposing it to heavy rain.
Troubleshooting
- Headset does not power on:
- Ensure the headset is fully charged. Connect it to a power source and allow it to charge for at least 30 minutes before attempting to power on again.
- Cannot pair with a device:
- Make sure the headset is in pairing mode (LED flashing blue and red).
- Ensure Bluetooth is enabled on your device and it is within range (typically 10 meters or 33 feet).
- Try restarting both the headset and your Bluetooth device.
- If previously paired, remove "LG HBS-780" from your device's Bluetooth list and attempt to pair again.
- No sound or poor sound quality:
- Check the volume levels on both the headset and your connected device.
- Ensure the headset is properly paired and connected.
- Move closer to your connected device to avoid interference.
- Try different ear gels to ensure a proper seal in your ear.
- Microphone not working:
- Ensure the headset is properly connected during a call.
- Check if the microphone is muted on your device or application.
Specifications
| Feature | Detail |
|---|---|
| Model Name | HBS-780 |
| Connectivity Technology | Bluetooth 4.1 |
| Wireless Communication Technology | Bluetooth |
| Charging Time | 2 Hours |
| Battery Life (Standby) | 720 Hours |
| Audio Driver Type | Dynamic Driver |
| Item Weight | 1.54 Ounces (approx. 43.6 grams) |
| Product Dimensions | 6.9 x 5.9 x 0.9 inches |
| Water Resistance Level | Water Resistant |
| Special Feature | Sports & Exercise |
| Control Method | Voice, Button |
| Ear Placement | In Ear |
| Form Factor | Neckband, In Ear |
| Noise Control Features | Basic Noise Reduction |
Warranty and Support
For warranty information and customer support, please refer to the official LG website or contact LG customer service directly. Keep your proof of purchase for warranty claims.
Online Support: www.lg.com/us/support
Phone Support: Refer to the LG website for regional contact numbers.