Introduction
This manual provides detailed instructions for the proper use and maintenance of your EXFIT BCS-700 Pro Bluetooth Neckband Wireless Headphones. Please read this manual thoroughly before operating the device to ensure optimal performance and longevity.

Figure 1: EXFIT BCS-700 Pro Neckband Wireless Headphones
Package Contents
Ensure all items are present in the package:
- EXFIT BCS-700 Pro Neckband Headphones
- USB-C Charging Cable
- Multiple Sizes of Eartips
- User Manual
Product Overview & Controls
Familiarize yourself with the headphone components and control buttons.

Figure 2: Headphone Controls (Power Key, Volume/Seek Jog Key, Multi-Function Button, Ambient Mode Key)

Figure 3: Retractable Earbud Unit with Detecting Sensor
Setup & Pairing
The BCS-700 Pro headphones utilize Bluetooth 5.2 for stable and efficient wireless connectivity.
- Ensure the headphones are charged (refer to the Charging section).
- Slide the Power Key to the 'ON' position. The headphones will enter pairing mode, indicated by flashing LED lights.
- On your device (smartphone, tablet, computer), enable Bluetooth and search for available devices.
- Select 'BCS-700 Pro' from the list of devices to connect.
- Once connected, a voice prompt will confirm successful pairing.
Multi-Point Connectivity
The BCS-700 Pro supports connecting to two Bluetooth devices simultaneously. After pairing with the first device, manually connect to a second paired device from your device's Bluetooth settings. This feature is ideal for seamless switching between devices, such as a phone and a computer for video conferencing.

Figure 4: Swift Pair functionality for quick device connection
Operating Instructions
Power On/Off
- Power On: Slide the Power Key to the 'ON' position.
- Power Off: Slide the Power Key to the 'OFF' position.
Music Playback
- Play/Pause: Press the Multi-Function Button (MFB) once.
- Volume Up/Down: Use the Vol(Seek) Jog Key.
- Next/Previous Track: Hold the Vol(Seek) Jog Key in the desired direction.
- EQ Sound Modes: The headphones offer 4 EQ sound modes. Double-press the Vol(Seek) Jog Key to cycle through the modes (Signature, Bass, Treble, Natural).
Call Management
- Answer/End Call (Auto Answer): Pull an earbud out to answer an incoming call. Reinsert the earbud to end the call.
- Answer/End Call (Manual): Press the MFB once to answer an incoming call. Press the MFB once to end an active call.
- Reject Call: Press and hold the MFB for 2 seconds.
- Voice Dial: Double-press the MFB to activate your device's voice assistant (e.g., Siri, Google Assistant).
- Incoming Call Vibration: The neckband will vibrate to alert you of an incoming call.
Audio Transparency Mode
This mode allows you to hear ambient sounds while listening to audio, enhancing situational awareness.
- Activate/Deactivate: Use the Ambient Mode Key (Audio Transparency Switch) located on the neckband.

Figure 5: Audio Transparency Mode activation and sound profile
Game Mode (Low Latency)
Activate Game Mode to reduce audio latency for a more synchronized gaming experience.
- Specific activation method not detailed in provided data. Refer to the quick guide for precise instructions.

Figure 6: Low Latency performance in Game Mode
Retractable Earbuds
The earbuds feature an auto-retractable wire management system.
- To retract, gently press the button located near the earbud housing. Allow the earbuds to retract slowly to prevent damage.
Video 1: Demonstration of the Retractable Wire Module Endurance Test, showcasing the durability and functionality of the earbud retraction mechanism.
Charging
The headphones are equipped with a USB-C charging port for convenient and fast charging.
- Connect the provided USB-C charging cable to the charging port on the neckband and to a compatible USB power source (5V/1A recommended).
- A full charge takes approximately 2 hours.
- A 10-minute quick charge provides up to 3 hours of use.
- Fully charged headphones offer up to 23 hours of music playtime.

Figure 7: USB-C Charging Port location

Figure 8: Battery performance details, including playtime and fast charging capability
Maintenance
Proper maintenance ensures the longevity and performance of your headphones.
- Cleaning: Regularly wipe the neckband and earbuds with a soft, dry cloth. 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.
- Water Resistance: The headphones are water resistant. Avoid submerging them in water or exposing them to heavy rain for extended periods.
- Eartips: Clean eartips regularly with a damp cloth. Replace worn or damaged eartips to maintain sound quality and comfort.
Troubleshooting
If you encounter issues with your headphones, refer to the following common solutions:
- Cannot Power On: Ensure the headphones are fully charged.
- Cannot Pair: Ensure the headphones are in pairing mode (flashing LED). Turn off and on your device's Bluetooth, then try pairing again.
- No Sound/Low Volume: Check the volume levels on both the headphones and your connected device. Ensure the headphones are properly seated in your ears.
- Intermittent Connection: Ensure the headphones are within the Bluetooth range of your device (typically 10 meters). Avoid obstacles that may interfere with the signal.
- Retraction Issue: If an earbud does not retract smoothly, gently guide it back while pressing the retraction button. Avoid forcing the mechanism.
Specifications
| Feature | Specification |
|---|---|
| Model Name | BCS-700 Pro |
| Connectivity Technology | Bluetooth 5.2 |
| Wireless Communication Technology | Bluetooth |
| Noise Control | Sound Isolation |
| Audio Driver Size | 8 Millimeters |
| Material | Plastic |
| Item Weight | 1.6 ounces |
| Water Resistance Level | Water Resistant |
| Charging Time | 2 Hours |
| Music Playtime | Up to 23 Hours |
| Talk Time | Up to 18 Hours |
| Standby Time | Up to 300 Hours |
Warranty and Support
EXFIT provides a 1-year extended warranty. To activate your warranty, please refer to the warranty card included in your package or visit the manufacturer's website within 14 days of purchase.
For any problems or questions, please contact customer support at support@jeko-elec.com. You will receive a reply within 24 hours.





