Introduction
This manual provides comprehensive instructions for the safe and efficient use of your BOROFONE BE27 Cool Song Bluetooth Wireless Sports Earphones. Please read this manual thoroughly before using the product and retain it for future reference.
Product Overview
The BOROFONE BE27 earphones are designed for wireless audio playback and hands-free calling, featuring a lightweight design suitable for sports and daily use.

Image 1: Overview of the BOROFONE BE27 earphones, displaying the white earbuds, the inline control unit with buttons, and the connecting cable.
Key components include the earbuds, the inline control unit, and the charging port.

Image 2: Detailed view of the inline control unit, highlighting the volume up/next track button, multi-function button (power/play/pause/answer call), volume down/previous track button, and the Micro USB charging port.
Specifications
| Feature | Detail |
|---|---|
| Bluetooth Version | V4.2 BK |
| Charging Voltage | DC 5V |
| Charging Time | 1.5 hours |
| Battery Capacity | 70 mAh |
| Earphone Cable Length | 55 cm |
| Weight | 12 grams |
| Working Time | 4 hours |
| Standby Time | 120 hours |
| Model Name | BE27 |
| Color | White |
| Connectivity Technology | Wireless |
| Connector Type | USB Type C |
| Material | Plastic |
Setup
1. Charging the Earphones
- Locate the charging port on the inline control unit. (Refer to Image 2).
- Connect the provided USB charging cable to the charging port.
- Connect the other end of the USB cable to a DC 5V power source (e.g., computer USB port, USB wall adapter).
- The indicator light will illuminate during charging. Once fully charged (approximately 1.5 hours), the indicator light will change or turn off.
- Disconnect the charging cable once charging is complete.
2. Bluetooth Pairing
- Ensure the earphones are fully charged.
- Power On: Press and hold the multi-function button (center button on the inline control unit) for approximately 3-5 seconds until the indicator light flashes blue and red alternately, indicating pairing mode.
- Activate Bluetooth: On your device (smartphone, tablet, computer), enable Bluetooth.
- Search for Devices: In your device's Bluetooth settings, search for available devices.
- Select "BE27": From the list of found devices, select "BE27" to connect.
- Confirmation: Once successfully paired, the indicator light on the earphones will flash blue slowly, and you may hear an audible confirmation.
- If pairing fails, turn off the earphones and your device's Bluetooth, then repeat the steps.
Operating Instructions
Power On/Off
- Power On: Press and hold the multi-function button for 3-5 seconds until the indicator light flashes blue.
- Power Off: Press and hold the multi-function button for 3-5 seconds until the indicator light flashes red and then turns off.
Music Playback
- Play/Pause: Press the multi-function button once.
- Next Track: Press and hold the "+" (Volume Up) button for 2 seconds.
- Previous Track: Press and hold the "-" (Volume Down) button for 2 seconds.
- Volume Up: Short press the "+" button.
- Volume Down: Short press the "-" button.
Call Management
- Answer/End Call: Press the multi-function button once.
- Reject Call: Press and hold the multi-function button for 2 seconds.
- Redial Last Number: Double-press the multi-function button.

Image 3: The BOROFONE BE27 earphones in use, connected to both a laptop and a smartphone, illustrating their wireless connectivity for audio playback.
Maintenance
- Keep the earphones dry. Avoid exposure to moisture, rain, or liquids.
- Clean the earphones with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Store the earphones in a cool, dry place away from extreme temperatures.
- Avoid dropping or subjecting the earphones to strong impacts.
- Do not attempt to disassemble or modify the earphones, as this will void the warranty and may cause damage.
Troubleshooting
| Problem | Solution |
|---|---|
| Earphones do not power on. | Ensure the earphones are fully charged. Connect to a power source and charge for 1.5 hours. |
| Cannot pair with device. | 1. Ensure earphones are in pairing mode (flashing blue and red). 2. Make sure Bluetooth is enabled on your device. 3. Move earphones closer to your device. 4. Turn off and restart both earphones and your device's Bluetooth. |
| No sound or low volume. | 1. Check volume levels on both earphones and your connected device. 2. Ensure earphones are properly paired. 3. Try playing different audio. |
| Intermittent connection. | 1. Ensure there are no obstructions between the earphones and your device. 2. Move closer to your device. 3. Avoid strong electromagnetic interference. |
Warranty and Support
BOROFONE products are designed and manufactured to the highest quality standards. For warranty information and technical support, please refer to the warranty card included with your purchase or visit the official BOROFONE website. Please retain your proof of purchase for warranty claims.