Introduction
Thank you for choosing the GOBOULT FCharge Bluetooth Earphones. These neckband earphones are designed to provide a high-quality audio experience with features like 40 hours of playtime, Zen ENC microphone for clear calls, dual device connectivity, and Type-C fast charging. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure optimal performance.

Image: GOBOULT FCharge Bluetooth Earphones in Pure Black, showcasing the neckband design and in-ear buds.
What's in the Box
Upon unboxing your GOBOULT FCharge earphones, please ensure all the following items are present:
- GOBOULT FCharge Neckband Earphones
- Extra Pair of Eartips
- Type-C Fast Charging Cable
- User Manual (this document)
- Warranty Card
Setup Instructions
1. Charging the Earphones
Before first use, fully charge your earphones. Use the provided Type-C charging cable to connect the earphones to a compatible USB power source. The LED indicator will show charging status.
- A full charge takes approximately 40 minutes.
- For quick power, 10 minutes of charging provides up to 15 hours of playback time.

Image: Illustration showing the Type-C fast charging capability, where 10 minutes of charge provides 15 hours of playback.
2. Powering On/Off
- To Power On: Press and hold the power button (usually the multi-function button) for a few seconds until the LED indicator lights up and you hear a power-on prompt.
- To Power Off: Press and hold the power button for a few seconds until the LED indicator turns off and you hear a power-off prompt.
3. Bluetooth Pairing
- Ensure the earphones are powered off.
- Press and hold the power button for approximately 5-7 seconds until the LED indicator flashes red and blue alternately, indicating pairing mode.
- On your device (smartphone, laptop, etc.), enable Bluetooth and search for available devices.
- Select "GOBOULT FCharge" from the list of found devices.
- Once connected, the LED indicator will flash blue slowly, and you will hear a confirmation sound.

Image: Visual representation of Bluetooth 5.2 connectivity and the FCharge device appearing as "Connected" on a smartphone screen.
4. Dual Device Connectivity
The GOBOULT FCharge supports connecting to two devices simultaneously. This allows seamless switching between audio sources without re-pairing.
- Pair the earphones with the first device as described above.
- Disable Bluetooth on the first device. The earphones will re-enter pairing mode.
- Pair the earphones with the second device.
- Re-enable Bluetooth on the first device. The earphones should automatically connect to both devices.
- To switch between devices, simply play audio on the desired device. The earphones will automatically switch to the active audio source.
Operating Instructions
1. Inline Controls
The neckband features convenient inline control buttons for managing your audio and calls.
- Power/Multi-function Button:
- Press and hold: Power On/Off, Enter Pairing Mode.
- Single press: Play/Pause music, Answer/End call.
- Double press: Redial last number.
- Volume Up (+) Button:
- Single press: Increase volume.
- Press and hold: Next track.
- Volume Down (-) Button:
- Single press: Decrease volume.
- Press and hold: Previous track.

Image: Close-up of the inline control panel on the neckband, showing buttons for power, volume, and track control.
2. Voice Assistant Activation
Activate your device's voice assistant (Google Assistant or Siri) directly from the earphones.
- Press the power button for 2 seconds to activate Google Assistant or Siri.
3. Zen ENC Microphone
The integrated Zen Environmental Noise Cancellation (ENC) microphone enhances call clarity by filtering out ambient noise, ensuring your voice is heard clearly during calls.

Image: Diagram illustrating how Environmental Noise Cancellation (ENC) works, separating your voice from environmental noise for clearer calls.
4. Wearing the Earphones
Place the neckband comfortably around your neck. Insert the earbuds into your ears, ensuring a snug fit for optimal sound quality and noise isolation. Experiment with the extra eartips provided to find the best fit for your ears.
Maintenance
1. Cleaning
- Gently wipe the earphones and neckband with a soft, dry, lint-free cloth.
- For earbuds, remove them and clean with a slightly damp cloth, then dry thoroughly before reattaching.
- Do not use harsh chemicals, cleaning solvents, or strong detergents.
2. Water Resistance (IPX5)
The GOBOULT FCharge earphones are IPX5 water-resistant, meaning they can withstand splashes and sweat. They are not designed for submersion in water.
- Avoid exposing the charging port to moisture. Ensure it is dry before charging.
- Do not use the earphones while swimming or showering.
- If exposed to sweat or rain, wipe them dry before storing or charging.

Image: Visual showing the earphones with water droplets, indicating IPX5 water resistance.
3. Storage
Store the earphones in a cool, dry place away from direct sunlight and extreme temperatures. Avoid tangling the cables.
Troubleshooting
| Problem | Possible Solution |
|---|---|
| Earphones do not power on. | Ensure the earphones are fully charged. Connect to a power source using the Type-C cable. |
| Cannot pair with a device. |
|
| No sound or low volume. |
|
| Call quality issues (e.g., static, unclear voice). |
|
| Earphones frequently disconnect. |
|
Specifications
| Feature | Detail |
|---|---|
| Brand | GOBOULT |
| Model Name | ProBass |
| Model Number | Probass Neckband |
| Ear Placement | In Ear |
| Form Factor | Neckband |
| Colour | Fcharge Pure Black |
| Bluetooth Version | 5.2 |
| Bluetooth Range | 10 Metres |
| Battery Average Life | 40 Hours |
| Battery Charge Time | 40 Minutes |
| Fast Charging | 10 minutes charge = 15 hours playback |
| Audio Driver Size | 14.2 Millimetres |
| Impedance | 16 Ohms |
| Noise Control | Passive Noise Cancellation (Zen ENC Mic for calls) |
| Water Resistance Level | IPX5 (Water Resistant) |
| Control Type | Button Control |
| Controller Type | Google Assistant, Siri |
| Compatible Devices | Cellphones, Desktops, Gaming Consoles, Laptops, Tablets |
| Item Weight | 125 Grams |
| Material | Silicone |

Image: Exploded view of the 14.2mm audio drivers, highlighting components like microwoofers for balanced sound and clear calling.
Warranty Information
The GOBOULT FCharge Bluetooth Earphones come with a 1 Year Manufacturer's Warranty from the date of purchase. Please retain your purchase receipt and the warranty card for any warranty claims. The warranty covers manufacturing defects and issues arising from normal use. It does not cover damage caused by misuse, accidents, unauthorized repairs, or normal wear and tear.
Customer Support
For technical assistance, warranty claims, or any other inquiries, please contact GOBOULT customer support.
- Manufacturer: Exotic Mile Pvt. Ltd.
- Manufacturer Address: B-67 Wazirpur Industrial Area, New Delhi 110052, India
- Importer/Packer: Exotic Mile Pvt. Ltd. , B67 Wazirpur Industrial Area , New Delhi 110052, India
- Please refer to the warranty card for specific contact details or visit the official GOBOULT website for the most up-to-date support information.