GREYOLK V5
GREYOLK V5 Swimming Bone Conduction Headphones User Manual
Model: V5
Introduction
Thank you for choosing the GREYOLK V5 Swimming Bone Conduction Headphones. These headphones are designed to provide a high-quality audio experience for various activities, including swimming, running, cycling, and more. Featuring IP68 waterproofing, Bluetooth 5.3 connectivity, and a built-in 32GB MP3 player, they offer versatility and durability. This manual will guide you through the setup, operation, and maintenance of your new headphones.
Safety Information
- Do not attempt to disassemble or modify the headphones.
- Keep the charging port dry before charging to prevent damage.
- Avoid exposing the headphones to extreme temperatures.
- When swimming, ensure the headphones are switched to MP3 mode as Bluetooth signals do not transmit effectively underwater.
- Be aware of your surroundings when using the headphones, especially during outdoor activities, due to the open-ear design.
Package Contents
Upon opening your GREYOLK V5 headphones package, you should find the following items:
- GREYOLK V5 Bone Conduction Headphones
- Magnetic Charging Cable
- User Manual
- Storage Pouch
- Adjustable Strap (for secure fit)

Product Overview and Controls
Familiarize yourself with the headphone components and control buttons:

- Power Button (Multi-function button): Power On/Off, Play/Pause, Answer/Hang up calls, Refuse calls.
- Volume Up (+) Button: Increase volume (single click), Next song (long press 2s).
- Volume Down (-) Button: Decrease volume (single click), Previous song (long press 2s).
- Mode Switch: Double-click the power button to switch between Bluetooth mode and MP3 mode.
Setup
1. Charging the Headphones
Before first use, fully charge your headphones. Use the provided magnetic charging cable.
- Connect the magnetic end of the charging cable to the charging port on the headphones.
- Connect the USB-A end of the cable to a compatible USB power source (e.g., computer, wall adapter).
- A full charge takes approximately 1.5 hours. The LED indicator will change to show charging status.

2. Power On/Off
- Power On: Press and hold the Power Button for 3-5 seconds until the LED indicator flashes.
- Power Off: Press and hold the Power Button for 3-5 seconds until the LED indicator turns off.
3. Bluetooth Pairing
The headphones are equipped with Bluetooth 5.3 for stable connections up to 10 meters.
- Ensure the headphones are powered on and in Bluetooth mode (double-click Power Button if in MP3 mode). The LED indicator will flash, indicating pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "GREYOLK V5" from the list of devices.
- Once connected, the LED indicator will stop flashing and remain solid.

4. MP3 Mode Operation
The headphones feature a built-in 32GB memory, capable of storing up to 6,000 songs and supporting MP3, WMA, WAV, APE, FLAC formats.
- Switching to MP3 Mode: Double-click the Power Button.
- Transferring Music: Connect the headphones to your computer using the magnetic charging cable. The headphones will appear as a removable disk. Drag and drop your music files into the headphone's storage.
- Note: Always use MP3 mode when swimming, as water interferes with Bluetooth signals.

Operating Instructions
1. Wearing the Headphones
The GREYOLK V5 headphones feature an open-ear design with ergonomic ear hooks for a secure and comfortable fit.
- Place the ear hooks over your ears, ensuring the transducers rest on your cheekbones, just in front of your ears.
- Adjust the band around the back of your head for a snug fit. An adjustable strap is included for additional security if needed.

2. Basic Functions
- Play/Pause: Click the Power Button once.
- Volume Up: Click the "+" button once.
- Volume Down: Click the "-" button once.
- Next Song: Long press the "+" button for 2 seconds.
- Previous Song: Long press the "-" button for 2 seconds.
- Answer/Hang Up Call: Click the Power Button once.
- Refuse Call: Hold the Power Button for 2 seconds.
- Switch Mode (Bluetooth/MP3): Double-click the Power Button.
3. Usage Scenarios
These headphones are versatile for various activities:
- Swimming: The IP68 waterproof rating allows for use in water up to two meters deep for up to two hours. Remember to switch to MP3 mode before entering the water.
- Running & Cycling: The open-ear design ensures you can hear your surroundings, enhancing safety during outdoor activities.
- General Use: Enjoy music or calls during daily commutes, work, or relaxation.


Maintenance
- Cleaning: After use, especially after swimming or heavy sweating, rinse the headphones with fresh water and wipe them dry with a soft cloth.
- Storage: Store the headphones in a cool, dry place away from direct sunlight and extreme temperatures. Use the provided storage pouch for protection.
- Charging Port: Ensure the magnetic charging contacts are clean and dry before charging to maintain optimal performance and prevent corrosion.
Troubleshooting
- No Power: Ensure the headphones are fully charged.
- Cannot Pair Bluetooth: Make sure the headphones are in Bluetooth pairing mode (LED flashing). Check your device's Bluetooth settings and try reconnecting. Ensure the headphones are within the 10-meter range.
- No Sound: Check the volume level on both the headphones and your connected device. Ensure the correct mode (Bluetooth or MP3) is selected.
- Music Not Playing in Water: Confirm the headphones are in MP3 mode. Bluetooth does not work underwater.
- Charging Issues: Verify the magnetic charging cable is properly connected and the contacts are clean. Try a different USB power source.
Specifications
| Feature | Specification |
|---|---|
| Model Name | V5 |
| Brand | GREYOLK |
| Connectivity Technology | Wireless (Bluetooth) |
| Wireless Communication Technology | Bluetooth 5.3 |
| Bluetooth Range | Up to 10 meters (33 feet) |
| Water Resistance Level | IP68 Waterproof |
| Built-in Memory | 32GB (stores up to 6,000 songs) |
| Supported Audio Formats | MP3, WMA, WAV, APE, FLAC |
| Battery Life | Up to 8 hours |
| Charging Time | 1.5 hours |
| Control Type | Button Control |
| Ear Placement | Open Ear |
| Item Weight | 32.5 Grams (1.15 ounces) |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Recommended Uses | Swimming, Cycling, Exercising, Running |
Official Product Videos
Warranty and Support
GREYOLK offers a 1-year after-sales service for these headphones. If you encounter any issues or have questions regarding your GREYOLK V5 headphones, please do not hesitate to contact our service team for assistance.