Introduction
Thank you for choosing Rythflo WH02 Bluetooth Neckband Headphones. This manual provides essential information for setting up, operating, and maintaining your headphones to ensure optimal performance and longevity. Please read it carefully before use.
Included Components
- Bluetooth Headphone x 1
- USB Type-C Charging Cable x 1
- User Manual x 1
- Pairs of S/M/L Eartips (Black&Red, Black&Blue, Black&Yellow) X9

Setup
1. Charging the Headphones
Before first use, fully charge your headphones. Connect the provided USB Type-C charging cable to the charging port on the neckband and the other end to a USB power source (e.g., computer, wall adapter). The LED indicator will show charging status. A full charge takes approximately 2 hours and provides up to 30 hours of playtime.

2. Selecting and Installing Ear Tips
Choose the ear tips that provide the most comfortable and secure fit for your ears. A proper seal is crucial for optimal sound quality and noise isolation. Gently twist and push the selected ear tips onto the earbud nozzles until they are securely attached.

3. Wearing the Headphones
Place the neckband around your neck, allowing the earbuds to rest comfortably in your ears. Adjust the neckband for a secure fit. The lightweight and ergonomic design ensures comfort during extended use.

Operating Instructions
1. Power On/Off
- Power On: Press and hold the Multi-Function Button (MFB) for approximately 3 seconds until the LED indicator flashes blue.
- Power Off: Press and hold the MFB for approximately 5 seconds until the LED indicator flashes red and then turns off.
2. Bluetooth Pairing
- Ensure the headphones are powered off.
- Press and hold the MFB for approximately 5-7 seconds until the LED indicator flashes red and blue alternately, indicating pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "Rythflo WH02" from the list of found devices.
- Once connected, the LED indicator will flash blue slowly.

3. Controls
The headphones feature intuitive controls located on the neckband:
- Play/Pause/Answer Call: Press the MFB once.
- End Call: Long press the MFB for 2 seconds.
- Activate Voice Assistant: Press the MFB twice.
- Volume Adjustment: Press "+" or "-" once.
- Next Track: Long press "+" for 2 seconds.
- Previous Track: Long press "-" for 2 seconds.

Maintenance
Cleaning
Regularly clean your headphones with a soft, dry cloth. For ear tips, remove them and gently wipe with a damp cloth, then allow them to dry completely before reattaching. Avoid using harsh chemicals or abrasive materials.
Storage
When not in use, store the headphones in a cool, dry place away from direct sunlight and extreme temperatures. The magnetic earbuds help prevent tangling and secure them when not in use.
Water Resistance (IPX7)
The Rythflo WH02 headphones are IPX7 waterproof, meaning they can withstand immersion in water up to 1 meter for 30 minutes. They are sweatproof and suitable for workouts and outdoor activities. However, they are not designed for swimming or prolonged submersion.

Troubleshooting
- No Power: Ensure the headphones are fully charged. Connect to a power source and check the charging indicator.
- Cannot Pair: Make sure the headphones are in pairing mode (LED flashing red and blue alternately). Turn off Bluetooth on your device and turn it back on. Try restarting both the headphones and your device. Ensure no other Bluetooth devices are connected to the headphones.
- No Sound: Check the volume level on both the headphones and your connected device. Ensure the headphones are properly paired and connected. Try playing audio from a different application or device.
- Poor Sound Quality: Ensure the ear tips provide a good seal in your ear. Move closer to your connected device to avoid interference. Check if the audio source quality is high.
- Microphone Not Working: Ensure the headphones are properly connected. Check microphone settings on your device.
Specifications
| Model Name | WH02 |
| Connectivity Technology | Wireless, Bluetooth |
| Bluetooth Version | 5.0 |
| Bluetooth Range | 10 Meters |
| Battery Life | Up to 30 Hours |
| Charging Time | 2 Hours |
| Water Resistance | IPX7 Waterproof |
| Audio Driver Type | Dynamic Driver |
| Special Features | Qualcomm chip-enabled, aptX-HD Audio, Fast Charging, Microphone Included, Magnetic Design, Behind-the-Neck Feature, Activate Voice Assistant |
| Included Components | Bluetooth Headphone, USB Type-C Charging Cable, User Manual, S/M/L Eartips |
| Item Weight | 2.88 ounces |
| Product Dimensions | 8.27 x 5.2 x 0.75 inches |
| Control Type | Volume Control, Touch |
| Ear Placement | In Ear |
| Noise Control | Sound Isolation |
Warranty and Support
Rythflo products are designed for durability and performance. For specific warranty details, please refer to the warranty card included in your product packaging or visit the official Rythflo website. If you encounter any issues or require assistance, please contact Rythflo customer support through their official channels.
For a downloadable version of this manual, please refer to the official product page or the link provided with your purchase: Rythflo WH02 User Manual (PDF)







