1. Product Overview
The LG TONE PRO HBS-780 is a wearable Bluetooth stereo headset designed for comfortable, high-quality audio. It features a slim body, durable wires, and advanced quad-layer speaker technology for balanced sound. Dual MEMS Microphones ensure clear voice communication. The headset also includes smart features such as voice memo, Find-Me, and Tone & Talk for an enhanced user experience.

Image: LG TONE PRO HBS-780 Wireless Stereo Headset in Blue.
Key Features:
- Slim Body and Durable Wires: Lightweight design with hidden magnetic earbuds and low-profile wires for enhanced durability.
- Advanced Quad-Layer Speaker Technology: Delivers outstanding sound quality with well-balanced audio across all frequency bands.
- Dual MEMS Microphones: Provides enhanced voice clarity for conversations.
- Smarter User Experience: Seamless control with smart features including voice memo, Find-Me, and Tone & Talk.
- Connectivity: Bluetooth 4.1 wireless technology.
2. What's in the Box
Upon opening your LG TONE PRO HBS-780 package, you should find the following items:
- LG TONE PRO HBS-780 Bluetooth Wearable Stereo Headset
- Earbud tips (various sizes, typically small and medium included)
- USB Charging Cable
- User Manual (this document)
3. Setup
3.1 Charging the Headset
- Connect the USB charging cable to the charging port on the headset.
- Plug the other end of the USB cable into a compatible USB power adapter or a computer's USB port.
- The LED indicator on the headset will show the charging status. A full charge typically takes approximately 2 hours.
- Once fully charged, disconnect the charging cable.
3.2 Pairing with a Bluetooth Device
- Ensure the headset is charged and turned off.
- Press and hold the Power button on the headset until the LED indicator flashes blue and red alternately, indicating pairing mode.
- On your smartphone or Bluetooth-enabled device, navigate to the Bluetooth settings.
- Turn on Bluetooth and search for available devices.
- Select "LG HBS-780" from the list of found devices.
- If prompted for a passcode, enter "0000" (four zeros).
- Once paired, the LED indicator will flash blue periodically, and you will hear a confirmation tone.
4. Operating Instructions
4.1 Power On/Off
- To Power On: Press and hold the Power button for approximately 2 seconds. The LED indicator will flash blue.
- To Power Off: Press and hold the Power button for approximately 4 seconds. The LED indicator will flash red and then turn off.
4.2 Music Playback
- Play/Pause: Press the Play/Pause button once.
- Next Track: Press and hold the Volume Up button for 2 seconds.
- Previous Track: Press and hold the Volume Down button for 2 seconds.
- Volume Control: Press the Volume Up or Volume Down buttons to adjust the volume.
4.3 Call Functions
- Answer/End Call: Press the Call button once.
- Reject Call: Press and hold the Call button for 2 seconds.
- Voice Dialing/Voice Assistant: Press the Call button twice quickly to activate your device's voice assistant (e.g., Siri, Google Assistant).
4.4 Smart Features (Tone & Talk)
The LG TONE PRO HBS-780 supports the Tone & Talk application for additional features like voice memo and Find-Me. Download the Tone & Talk app from your device's app store for full functionality.
- Voice Memo: Use the dedicated button or app to record voice memos.
- Find-Me: Utilize the app to locate your headset if misplaced within Bluetooth range.
5. Maintenance
Proper care ensures the longevity of your LG TONE PRO HBS-780 headset.
- Cleaning: Wipe the headset with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Earbud Tips: Regularly clean the earbud tips to remove earwax and debris. Replace them if they become worn or damaged.
- Storage: Store the headset in a cool, dry place away from direct sunlight and extreme temperatures.
- Water Resistance: This device is not water resistant. Avoid exposure to liquids.
6. Troubleshooting
If you encounter issues with your headset, refer to the following common solutions:
- No Power: Ensure the headset is fully charged. Connect it to a power source and check the charging indicator.
- Cannot Pair:
- 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 turning off and on both the headset and your device.
- Delete "LG HBS-780" from your device's Bluetooth list and attempt to pair again.
- No Sound/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 device to avoid interference.
- Clean the earbud tips and speaker grilles.
- Microphone Issues:
- Ensure the microphone is not obstructed.
- Check if the headset is properly connected during a call.
7. Specifications
| Brand | LG |
| Model Name | HBS-780 |
| Color | Blue |
| Ear Placement | In Ear |
| Form Factor | In Ear |
| Noise Control | Sound Isolation |
| Connectivity Technology | Bluetooth |
| Bluetooth Version | 4.1 |
| Item Weight | 1.54 Ounces |
| Audio Driver Type | Dynamic Driver |
| Frequency Range | 20 Hz - 20,000 Hz |
| Enclosure Material | Rubber |
| Water Resistance Level | Not Water Resistant |
| Compatible Devices | Android, Apple, Windows and Bluetooth Devices |
| Control Method | Voice |
8. Warranty and Support
The LG TONE PRO HBS-780 is covered by a manufacturer's warranty. For specific details regarding warranty terms, coverage, and duration, please refer to the warranty card included in your product packaging or visit the official LG website.
For technical support, troubleshooting assistance beyond this manual, or service inquiries, please contact LG Customer Service. You can typically find contact information on the official LG website or through the support section of the Tone & Talk application.
Online Support: www.lg.com/us/support