Introduction
Thank you for choosing the RORSOU B10 Wireless Bluetooth Over-Ear Headphones. This manual provides detailed instructions for setting up, operating, and maintaining your headphones to ensure optimal performance and longevity. Please read this manual thoroughly before use.
Package Contents
- RORSOU B10 Wireless Bluetooth Over-Ear Headphones
- USB Charging Cable
- 3.5mm Audio Cable
- User Manual
Product Overview
Familiarize yourself with the components and controls of your RORSOU B10 headphones.

Image: RORSOU B10 Wireless Bluetooth Over-Ear Headphones in blue. This image displays the overall design of the headphones, featuring adjustable headband and cushioned earcups.

Image: Diagram illustrating the control buttons on the RORSOU B10 headphones. It shows buttons for volume up/next track, play/pause/answer call, volume down/previous track, power on/off, and the charging port.
Key Features
- Foldable Design: The headphones feature a foldable design for easy portability and storage.
- Comfortable Fit: Equipped with ultra-soft ear cushions and a padded, stretchable headband for extended wear comfort.
- Dual Mode Connectivity: Supports both wireless Bluetooth 5.3 and wired 3.5mm audio cable connections.

Image: The RORSOU B10 headphones shown in their folded position, highlighting the compact design for travel and storage.

Image: Close-up view detailing the cushioned headband, stretchable headband, and enlarged earpads of the RORSOU B10 headphones, emphasizing comfort.

Image: Illustration showing the RORSOU B10 headphones in both wireless mode and connected via a 3.5mm audio cable, demonstrating the dual connectivity options.
Setup
1. Charging the Headphones
Before first use, fully charge your headphones. Use the provided USB charging cable.
- Connect the USB charging cable to the charging port on the headphones.
- Connect the other end of the USB cable to a USB power adapter (not included) or a computer's USB port.
- The LED indicator will show charging status (e.g., red for charging, blue for fully charged).
- A full charge takes approximately 2.5 hours and provides up to 50 hours of playtime.

Image: Graphic detailing the 400mAh battery, 2.5 hours fast-charging time, and 50 hours long playing time of the RORSOU B10 headphones.
2. Powering On/Off
- Power On: Press and hold the Power button (refer to Product Overview diagram) for approximately 3 seconds until the LED indicator flashes.
- Power Off: Press and hold the Power button for approximately 3 seconds until the LED indicator turns off.
3. Bluetooth Pairing
To connect your RORSOU B10 headphones to a Bluetooth-enabled device:
- Ensure the headphones are powered off.
- Press and hold the Power button for about 5-7 seconds until the LED indicator flashes red and blue alternately, indicating pairing mode.
- On your device (smartphone, tablet, PC), enable Bluetooth and search for available devices.
- Select "RORSOU B10" from the list of devices.
- Once connected, the LED indicator will flash blue slowly.
- The headphones can be paired with two devices simultaneously. To switch between devices, pause playback on the first device and start playback on the second.
4. Wired Mode Connection
You can use the headphones in wired mode even if the battery is depleted.
- Connect one end of the 3.5mm audio cable to the audio input port on the headphones.
- Connect the other end of the 3.5mm audio cable to the audio output jack of your device.
- In wired mode, the microphone functionality is not available.
Operating Instructions
Control your audio and calls using the buttons on the headphones.
| Button/Action | Function |
|---|---|
| Power Button (Press & Hold 3s) | Power On/Off |
| Power Button (Press & Hold 5-7s from Off) | Enter Bluetooth Pairing Mode |
| "+" Button (Short Press) | Increase Volume |
| "+" Button (Long Press) | Next Track |
| "-" Button (Short Press) | Decrease Volume |
| "-" Button (Long Press) | Previous Track |
| Multi-function Button (Short Press) | Play/Pause Music, Answer/End Phone Call |
| Multi-function Button (Long Press) | Reject Phone Call |
Note: The built-in microphone functions only in wireless (Bluetooth) mode.
Maintenance
Cleaning
- Wipe the headphones with a soft, dry cloth.
- Do not use abrasive cleaners, alcohol, or chemical solvents.
- Keep the charging port free of dust and debris.
Storage
- Store the headphones in a cool, dry place away from direct sunlight and extreme temperatures.
- Utilize the foldable design to store them compactly when not in use.
Battery Care
- To preserve battery life, charge the headphones at least once every three months if not used regularly.
- Avoid fully discharging the battery frequently.
Troubleshooting
If you encounter issues with your RORSOU B10 headphones, refer to the following solutions:
| Problem | Solution |
|---|---|
| Headphones do not power on. | Ensure the headphones are charged. Connect them to a power source using the USB cable. |
| Cannot pair with a Bluetooth device. |
|
| No sound or low volume. |
|
| Microphone not working. | The microphone only works in wireless (Bluetooth) mode. Ensure you are not using the 3.5mm audio cable. Check microphone settings on your connected device. |
| Sound quality is poor. |
|
Specifications
Technical details for the RORSOU B10 Wireless Bluetooth Over-Ear Headphones:
- Model Name: B10
- Connectivity Technology: Wireless (Bluetooth 5.3)
- Headphones Jack: 3.5 mm Jack (for wired mode)
- Audio Driver Size: 40 mm Dynamic Driver
- Frequency Range: 20Hz - 20,000Hz
- Bluetooth Range: 10 Meters (33 feet)
- Battery Capacity: 400mAh Lithium Ion
- Charging Time: Approximately 2.5 Hours
- Battery Life: Up to 50 Hours (playtime)
- Control Type: Volume Control, Track Control, Call Management
- Special Features: Fast Charging, Foldable Design, Built-in Microphone
- Material: Plastic
- Item Weight: 0.3 Kilograms (10.5 ounces)
- Product Dimensions: 7.09 x 3.15 x 7.87 inches
- Water Resistance Level: Not Water Resistant
- Compatible Devices: Smartphones, Tablets, PCs, other Bluetooth-enabled devices
Warranty and Support
RORSOU provides a 180-day Hassle-Free Limited Protection for your B10 headphones. This warranty covers manufacturing defects and ensures customer satisfaction.
For any questions, technical assistance, or warranty claims, please contact RORSOU customer service. We are committed to providing quick response customer service and will get back to you within 24 hours.
Please refer to your purchase documentation or the RORSOU official website for specific contact details.




