1. Introduction
Thank you for choosing the GOBOULT Flex Over-Ear Bluetooth Headphones. This manual provides essential information for setting up, operating, and maintaining your headphones to ensure optimal performance and longevity. Please read this manual thoroughly before use.

Image: The GOBOULT Flex Over-Ear Bluetooth Headphones in blue, showcasing their design.
2. Package Contents
Ensure all items are present in the package:
- GOBOULT Flex Over-Ear Bluetooth Headphones
- Type-C Charging Cable
- User Manual (this document)
- Warranty Card
3. Product Overview
Familiarize yourself with the various components and controls of your GOBOULT Flex headphones.

Image: An overview of the GOBOULT Flex headphones highlighting key features such as 40mm bass drivers, Bluetooth 5.4, 4 EQ modes, 60ms ultra-low latency, 80 hours battery life, and Zen™ ENC mic.
Controls and Ports:
- Power Button: Used for powering on/off and pairing.
- Volume Up/Next Track Button: Increases volume, skips to next track.
- Volume Down/Previous Track Button: Decreases volume, goes to previous track.
- Multi-function Button (MFB): Play/pause, answer/end calls, activate voice assistant.
- Type-C Charging Port: For charging the headphones.
- AUX Port: For wired audio connection.
- LED Indicator: Displays power, charging, and pairing status.
- Microphone: For calls and voice commands (Zen™ ENC Mic).
4. Setup
4.1 Charging the Headphones
Before first use, fully charge your headphones. Use the provided Type-C charging cable.
- Connect the Type-C end of the charging cable to the charging port on the headphones.
- Connect the USB-A end to a compatible USB power adapter (not included) or a computer's USB port.
- The LED indicator will show charging status (e.g., red while charging, blue/off when fully charged).
- A full charge takes approximately 60 minutes.

Image: The GOBOULT Flex headphones connected to a Type-C charging cable, demonstrating the fast charging feature.
4.2 Bluetooth Pairing
To connect your headphones to a device:
- Ensure the headphones are charged and powered off.
- Press and hold the Power button for approximately 3-5 seconds until the LED indicator flashes blue and red alternately, indicating pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "GOBOULT Flex" from the list of found devices.
- Once connected, the LED indicator will flash blue slowly or turn off, depending on the model.
The headphones support Bluetooth 5.4 for stable connections and faster pairing.

Image: GOBOULT Flex headphones paired with a smartphone, highlighting the Bluetooth 5.4 technology and quick pairing process.
4.3 Dual Device DSP (Multi-point Connection)
The GOBOULT Flex headphones feature Dual Device DSP, allowing simultaneous connection to two devices.
- Pair the headphones with the first device as described in section 4.2.
- Disable Bluetooth on the first device. The headphones will re-enter pairing mode.
- Pair the headphones with the second device.
- Re-enable Bluetooth on the first device. The headphones should automatically connect to both devices.
You can now seamlessly switch audio playback between the two connected devices.

Image: A visual representation of the Dual Stream DSP processor, emphasizing its role in seamless VoIP calls and adaptive audio equalization for a 16-bit simultaneous dual-audio processing experience.
5. Operating Instructions
5.1 Power On/Off
- Power On: Press and hold the Power button for 3 seconds.
- Power Off: Press and hold the Power button for 5 seconds.
5.2 Music Playback
- Play/Pause: Press the MFB once.
- Next Track: Press and hold the Volume Up button.
- Previous Track: Press and hold the Volume Down button.
- Volume Up: Short press the Volume Up button.
- Volume Down: Short press the Volume Down button.
5.3 Call Management
The Zen™ ENC Mic provides clear call quality by reducing environmental noise.
- Answer/End Call: Press the MFB once.
- Reject Call: Press and hold the MFB for 2 seconds.
- Activate Voice Assistant: Triple press the MFB.

Image: An internal view of the GOBOULT Flex headphone ear cup, highlighting the Zen™ ENC mic technology for environmental noise cancellation.
5.4 EQ Modes
Customize your audio experience with 4 Equalizer (EQ) modes:
- Bass: Enhances low frequencies for a powerful sound.
- Rock: Optimized for rock music genres.
- Pop: Tailored for pop music.
- Vocal: Emphasizes vocal clarity.
To switch between EQ modes, locate the dedicated EQ button (if present) or refer to the specific button combination in your quick start guide. (Typically a short press of a specific button or a combination).

Image: The GOBOULT Flex headphones displaying the four available EQ modes: Pop, Bass, Vocal, and Rock, allowing users to tailor their audio experience.
5.5 Combat™ Gaming Mode (Low Latency)
Activate the 60ms ultra-low latency Combat™ Gaming Mode for a synchronized audio-visual experience during gaming.
- To activate/deactivate Gaming Mode, refer to the specific button combination in your quick start guide (often a triple press of the MFB or a dedicated button).

Image: GOBOULT Flex headphones positioned near a gaming controller, emphasizing the 60ms ultra-low latency Combat™ Gaming Mode designed for mobile gaming.
5.6 AUX Option (Wired Mode)
Use the provided AUX cable for a wired connection when the battery is low or for devices without Bluetooth.
- Connect one end of the AUX cable to the headphone's AUX port.
- Connect the other end to the 3.5mm audio jack of your device.
- The headphones will automatically switch to wired mode. Bluetooth functions will be disabled.

Image: A split image showing the GOBOULT Flex headphones connected via an AUX cable (wired mode) and wirelessly connected to a smartphone, illustrating the flexibility of use.
6. Maintenance
Proper care ensures the longevity of your headphones.
- Cleaning: Wipe the headphones with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Storage: Store the headphones in a cool, dry place away from direct sunlight and extreme temperatures. The foldable design allows for compact storage.
- Water Resistance: The headphones are IPX5 rated, meaning they are resistant to sweat and light splashes. Do not submerge them in water.
- Charging: Use only the provided Type-C cable for charging.

Image: The GOBOULT Flex headphones showcasing their foldable design and adjustable headband and earcups, emphasizing portability and comfort.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Headphones do not power on. | Low battery. | Charge the headphones fully using the Type-C cable. |
| Cannot pair with device. | Headphones not in pairing mode; device Bluetooth off; too far from device. | Ensure headphones are in pairing mode (flashing blue/red). Turn on Bluetooth on your device. Keep headphones within 10 meters of the device. |
| No sound or low volume. | Volume too low; incorrect audio output selected; headphones not connected. | Increase volume on both headphones and device. Check Bluetooth connection. Ensure correct audio output is selected on your device. |
| Poor call quality. | Environmental noise; microphone obstruction. | Ensure the Zen™ ENC Mic is not obstructed. Move to a quieter environment if possible. |
| Audio delay in gaming. | Gaming Mode not activated. | Activate Combat™ Gaming Mode for ultra-low latency. |
8. Specifications
| Model Name | Flex Headphones (ProBass) |
| Bluetooth Version | 5.4 |
| Bluetooth Range | 10 Metres |
| Audio Driver Size | 40 Millimetres |
| Playtime | Up to 80 Hours |
| Charging Time | Approximately 60 Minutes |
| Charging Port | Type-C |
| Microphone | Zen™ ENC Mic |
| Water Resistance | IPX5 (Sweat and splash resistant) |
| Low Latency | 60ms (Combat™ Gaming Mode) |
| EQ Modes | Bass, Rock, Pop, Vocal |
| Weight | 205 Grams |
| Dimensions (LxWxH) | 19 x 16.5 x 7.7 cm |
| Included Components | Headphone, Type-C Charging Cable, User Manual, Warranty Card |
9. Warranty and Support
Your GOBOULT Flex headphones come with a 1 Year Warranty. To avail of the extended warranty, quick and easy registration is available on the official GOBOULT website.
For technical support, warranty claims, or further assistance, please refer to the contact information provided on your warranty card or visit the official GOBOULT support website.
Manufacturer: Exotic Mile Private Limited
Address: B67 Wazirpur Industrial Area, New Delhi 110052





