1. Introduction
The RORSOU B10 Bluetooth Headphones offer a superior audio experience with deep bass, Hi-Fi stereo sound, and extended playtime. Designed for comfort and portability, these headphones are compatible with a wide range of Bluetooth-enabled devices and also support wired connections. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure you get the most out of your B10 headphones.
2. What's in the Box
- RORSOU B10 Bluetooth Headphones
- USB-C Charging Cable
- 3.5mm Audio Cable
- User Manual
3. Product Overview & Features

The RORSOU B10 headphones feature a sleek black design with red accents, offering both style and comfort.

The headphones feature a foldable design for easy storage and portability, tested for over 20,000 folds.

Equipped with ultra-soft ear cushions and a padded, stretchable headband for fatigue-free listening.
- Extended Playtime: Up to 50 hours of playtime on a single charge. A quick 10-minute charge provides up to 4 hours of listening.
- Deep Bass Sound: Powered by 40mm audio drivers and an advanced Bluetooth 5.3 chip, delivering clear sound with rich bass and crisp mids.
- Strong Bluetooth 5.3 Technology: Ensures a stable and faster wireless connection. Can be paired with two devices simultaneously, allowing seamless switching.
- Comfortable Design: Ultra-soft ear cushions and a padded, adjustable headband provide a comfortable fit for extended use.
- Dual Mode: Supports both wireless (Bluetooth) and wired (3.5mm audio cable) modes for continuous music enjoyment.
4. Setup & Connection
4.1 Bluetooth Pairing
- Ensure the headphones are charged.
- Slide the power switch (usually located on one of the earcups) to the 'ON' position. The indicator light will flash blue and red, indicating pairing mode.
- On your device (smartphone, tablet, PC), go to Bluetooth settings.
- Search for 'RORSOU B10' in the list of available devices.
- Select 'RORSOU B10' to connect. Once paired, the indicator light will slowly flash blue.
4.2 Wired Connection
For non-Bluetooth devices or when the battery is low, you can use the included 3.5mm audio cable.
- Plug one end of the 3.5mm audio cable into the headphone jack on the RORSOU B10 headphones.
- Plug the other end into the audio output jack of your device.
- The headphones will automatically switch to wired mode. Note: The microphone only works in wireless (Bluetooth) mode.

The RORSOU B10 headphones support both wireless Bluetooth 5.3 and wired 3.5mm audio connections.
5. Operating Instructions
5.1 Controls

Detailed view of the easy operation buttons on the RORSOU B10 headphones, including volume, track control, and power.
| Button/Action | Function |
|---|---|
| Power ON/OFF Switch | Slide to turn headphones on or off. |
| "+" Button (Click) | Increase Volume |
| "+" Button (Long Press) | Skip Forward |
| Play/Pause Button (Click) | Play/Pause Music; Answer/End Phone Call |
| Play/Pause Button (Long Press) | Reject Phone Call |
| "-" Button (Click) | Decrease Volume |
| "-" Button (Long Press) | Skip Back |
| EQ Button (Click) | Switch between Normal and Bass EQ Modes |
5.2 Calls
The RORSOU B10 headphones include a built-in microphone for hands-free calling when connected via Bluetooth. Use the Play/Pause button to answer, end, or reject calls as described above.
5.3 EQ Music Modes
The headphones feature two Equalizer (EQ) modes: Normal and Bass. Press the EQ button to toggle between these modes to suit your audio preference.
6. Battery & Charging

The RORSOU B10 headphones feature a 400mAh battery, offering 50 hours of playtime and 2.5 hours fast-charging.
- The headphones are equipped with a 400mAh rechargeable Lithium-Ion battery.
- A full charge takes approximately 2.5 hours.
- Use the provided USB-C charging cable to connect the headphones to a compatible USB power source.
- The indicator light will show charging status (e.g., solid red while charging, off when fully charged).
7. Maintenance
- Clean the ear cushions and headband regularly with a soft, dry cloth.
- Avoid exposing the headphones to extreme temperatures, humidity, or direct sunlight.
- Do not use abrasive cleaners or solvents.
- Store the headphones in a cool, dry place when not in use, preferably folded to save space.
8. Troubleshooting
8.1 Cannot Pair with Device
- Ensure the headphones are in pairing mode (indicator light flashing blue and red).
- Make sure Bluetooth is enabled on your device.
- Check if the headphones are within the 10-meter Bluetooth range of your device.
- Turn off and on both the headphones and your device, then try pairing again.
- Clear the Bluetooth device list on your device and attempt to pair.
8.2 No Sound or Low Volume
- Check the volume levels on both the headphones and your connected device.
- Ensure the headphones are properly paired or the 3.5mm audio cable is securely connected.
- Try playing audio from a different application or device.
8.3 Charging Issues
- Verify that the USB-C cable is correctly inserted into both the headphones and the power source.
- Try a different USB port or power adapter.
- Ensure the charging cable is not damaged.
9. Specifications
| Feature | Detail |
|---|---|
| Model Name | B10 |
| Connectivity Technology | Wireless, Wired, Bluetooth 5.4 |
| Wireless Communication Technology | Bluetooth |
| Headphones Jack | 3.5 mm Jack |
| Battery Life | 50 Hours (advertised), 40 Hours (spec) |
| Charging Time | 2.5 Hours |
| Battery Capacity | 400mAh |
| Bluetooth Range | 10 Meters |
| Audio Driver Size | 40 Millimeters |
| Control Type | Volume Control, Button, Touch |
| Material | Plastic |
| Item Weight | 0.23 Kilograms (8.1 ounces) |
| Product Dimensions | 7.09 x 3.15 x 7.87 inches |
| Ear Placement | Over Ear |
| Form Factor | Over Ear |
10. Official Product Video
This official product video provides a visual overview of the RORSOU B10 Bluetooth Wireless Headphones, showcasing their features and design.
11. Warranty & Support
RORSOU is dedicated to providing high-quality products with excellent after-sale service. The RORSOU B10 headphones come with a 180-day hassle-free limited protection. If you have any questions or require support, please contact RORSOU customer service. We aim to respond within 24 hours.




