1. Introduction
Thank you for choosing the MIDOLA MID-B15 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 using the product.
2. Product Overview
The MIDOLA MID-B15 headphones are designed for comfort and high-quality audio, featuring a foldable, lightweight design, long battery life, and multiple EQ modes. They are suitable for various activities including travel, home use, and office work.
2.1 Key Features
- Lightweight & Portable: Foldable design for easy carrying and storage.
- Comfortable & Flexible: Soft memory-protein earmuffs and adjustable headband for extended wear.
- Stable Bluetooth Connection: Advanced Bluetooth 4.0 technology for compatibility with various electronic devices up to 33 feet (10m).
- Built-in Microphone: Omni-directional microphone for hands-free calls, online learning, and meetings.
- Wireless & Wired Modes: Enjoy music wirelessly via Bluetooth or use the included 3.5mm audio cable for wired listening, even when the battery is depleted.
- 6 EQ Music Modes: Customize your audio experience with various equalizer settings.
- Long Playtime: Up to 68 hours of music time on a single charge.
2.2 Headphone Components
Familiarize yourself with the various parts of your headphones:

Image: Side view of the MIDOLA MID-B15 headphones, highlighting the control panel with buttons for power, volume, track control, and EQ, along with the charging port and 3.5mm audio jack.

Image: An exploded view diagram illustrating the internal 40mm dynamic driver, PET film for bass, and DLC diaphragm for clear sound, alongside a close-up of the soft, comfortable earcups.
3. Setup
3.1 Charging the Headphones
Before first use, fully charge your headphones.
- Connect the provided USB-C charging cable to the charging port on the headphone.
- Connect the other end of the cable to a USB power adapter (not included) or a computer's USB port.
- The LED indicator will illuminate during charging and turn off or change color when fully charged. A full charge typically takes approximately 2 hours.

Image: A user wearing the headphones, with graphics indicating 68 hours of music playback and 950 hours of standby time, along with a quick charge feature of 5 minutes for 3 hours playtime.
3.2 Bluetooth Pairing
To connect your headphones to a Bluetooth-enabled device:
- Ensure the headphones are charged and powered off.
- Press and hold the Power button until the LED indicator flashes blue and red, indicating pairing mode.
- On your device (smartphone, tablet, PC), enable Bluetooth and search for available devices.
- Select "MID-B15" from the list of devices.
- Once connected, the LED indicator will flash blue slowly.
3.3 Wired Connection (AUX Mode)
Use the included 3.5mm audio cable for a wired connection, which does not require battery power.
- Plug one end of the 3.5mm audio cable into the AUX port on the headphones.
- Plug the other end into the 3.5mm audio jack of your device.
- The headphones will automatically switch to wired mode.

Image: The MIDOLA headphones shown with a 3.5mm audio cable plugged in, emphasizing the option for non-stop music enjoyment even without battery power.
4. Operating Instructions
4.1 Power On/Off
- Power On: Press and hold the Power button for 3 seconds.
- Power Off: Press and hold the Power button for 3 seconds.
4.2 Volume Control
- Volume Up: Press the '+' button.
- Volume Down: Press the '-' button.
4.3 Music Playback
- Play/Pause: Press the Multi-function button (often the Power button or a dedicated play/pause button).
- Next Track: Press and hold the '+' button.
- Previous Track: Press and hold the '-' button.
4.4 Call Handling
- Answer/End Call: Press the Multi-function button.
- Reject Call: Press and hold the Multi-function button for 2 seconds.
- Redial Last Number: Double-press the Multi-function button.
4.5 EQ Mode Selection
The headphones feature 6 optional EQ music modes:
- Pop
- Rock
- Vocal
- Jazz
- BassUp
- Classic
Press the EQ button to cycle through these modes. A voice prompt will announce the selected mode.

Image: A user enjoying music with the MIDOLA headphones, illustrating the availability of 6 distinct EQ modes for personalized sound.
4.6 Wearing the Headphones
Adjust the headband to fit comfortably over your head. The earcups are designed to encompass your ears without pressure, providing sound isolation and comfort for long listening sessions.

Image: Two users wearing the MIDOLA headphones, highlighting their lightweight design and comfortable fit for extended use, whether enjoying music or making calls.
Official Product Video: MIDOLA B15 Headphones Overview
Video: An official overview of the MIDOLA B15 Headphones, demonstrating their features and design. This video provides a visual guide to the product's functionality and appearance.
5. Maintenance
- Cleaning: Use a soft, dry cloth to clean the headphones. Do not use abrasive cleaners or solvents.
- Storage: When not in use, store the headphones in a cool, dry place. The foldable design allows for compact storage.
- Avoid Moisture: Keep the headphones away from water and excessive humidity to prevent damage.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Headphones do not power on | Low battery | Charge the headphones fully. |
| Cannot pair via Bluetooth | Headphones not in pairing mode / Device Bluetooth off / Too far from device | Ensure headphones are in pairing mode (flashing blue/red LED). Turn on Bluetooth on your device. Move headphones closer to the device (within 33ft/10m). |
| No sound in Bluetooth mode | Volume too low / Not connected / Incorrect audio output selected | Increase headphone and device volume. Re-pair the headphones. Check device's audio output settings. |
| No sound in wired mode | Cable not fully inserted / Damaged cable | Ensure 3.5mm audio cable is fully inserted into both ports. Try a different audio cable if available. |
| Microphone not working | Incorrect input device selected / Muted | Check your device's audio input settings and ensure the microphone is not muted. |
7. Specifications
| Feature | Detail |
|---|---|
| Brand | MIDOLA |
| Model Number | MID-B15 |
| Color | Milk White |
| Ear Placement | Over Ear |
| Form Factor | Over Ear |
| Impedance | 16 Ohms |
| Item Weight | 262 Grams |
| Noise Control | Sound Isolation |
| Frequency Range | 20 Hz - 20,000 Hz |
| Audio Driver Type | Dynamic Driver |
| Additional Features | Foldable, Lightweight, Microphone Included, Volume Control |
| Enclosure Material | Plastic |
| Compatible Devices | Electronic Devices |
| Headphone Jack | 3.5 mm Jack |
| Connectivity Technology | Wireless |
| Wireless Technology | Bluetooth |
| Bluetooth Range | 33 Feet |
| Bluetooth Version | 4.0 |
| Control Method | Remote |
8. Warranty & Support
MIDOLA products are manufactured to high-quality standards. For specific warranty information, please refer to the warranty card included with your purchase or contact MIDOLA customer support directly. If you encounter any issues or have questions not covered in this manual, please reach out to our customer service team for assistance.