1. Introduction
Thank you for choosing the CJ TECH Bobcat Neckband Bluetooth Headphones. These headphones are designed for comfort and durability, featuring an 80-hour battery life, fast charging, and IPX4 sweat resistance, making them suitable for various activities including sports, work, and daily use. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure optimal performance.
2. Product Overview
2.1 Package Contents
- CJ TECH Bobcat Neckband Bluetooth Headphones
- USB Charging Cable
- User Manual

Image: The product packaging displaying the headphones and the included USB charging cable.
2.2 Headphone Components and Controls
The headphones feature a flexible neckband design with integrated controls and magnetic earbuds for secure storage.

Image: A detailed view of the neckband headphones, highlighting the control panel with buttons for power, volume, and multi-function operations.
- Power Button: Used to power on/off the headphones.
- Volume Up/Next Track Button: Press briefly to increase volume, press and hold to skip to the next track.
- Volume Down/Previous Track Button: Press briefly to decrease volume, press and hold to go to the previous track.
- Multi-function Button (MFB): Controls play/pause, answer/end calls, and activates voice assistant.
- Microphone: Integrated for hands-free calling.
- Charging Port: USB port for charging the device.
- LED Indicator: Displays power, charging, and pairing status.
- Magnetic Earbuds: Allows earbuds to snap together for tangle-free storage.
3. Setup
3.1 Charging the Headphones
Before first use, fully charge the headphones. A full charge provides up to 80 hours of music playback.
- Connect the small end of the USB charging cable to the charging port on the neckband.
- Connect the larger end of the USB charging cable to a USB power adapter (not included) or a computer's USB port.
- The LED indicator will illuminate during charging and change color or turn off when fully charged.

Image: The neckband headphones connected to a charging cable, illustrating the charging process.
3.2 Bluetooth Pairing
To connect your headphones to a Bluetooth-enabled device:
- Ensure the headphones are charged and turned off.
- Press and hold the Power button for approximately 3-5 seconds until the LED indicator flashes red and blue alternately, indicating pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "Bobcat Headphones" from the list of found devices.
- Once connected, the LED indicator will typically flash blue slowly or remain solid blue. A voice prompt may confirm the connection.
- The headphones will automatically attempt to reconnect to the last paired device when powered on.
4. Operating Instructions
4.1 Power On/Off
- Power On: Press and hold the Power button for 2-3 seconds. The LED indicator will flash blue, and a voice prompt will confirm.
- Power Off: Press and hold the Power button for 3-4 seconds. The LED indicator will flash red, and a voice prompt will confirm.
4.2 Music Playback
- Play/Pause: Press the Multi-function Button (MFB) once.
- Next Track: Press and hold the Volume Up button.
- Previous Track: Press and hold the Volume Down button.
4.3 Call Management
- Answer/End Call: Press the MFB once.
- Reject Call: Press and hold the MFB for 2 seconds.
- Redial Last Number: Double-press the MFB.
- Activate Voice Assistant: Triple-press the MFB.
4.4 Volume Control
- Increase Volume: Press the Volume Up button.
- Decrease Volume: Press the Volume Down button.
4.5 Vibration Alerts
The headphones feature vibration alerts for incoming calls, ensuring you are notified even in noisy environments or when the earbuds are not in your ears.

Image: A man wearing the neckband headphones while working on a car, demonstrating their use in a practical, active setting.
5. Maintenance
5.1 Cleaning
The headphones are IPX4 sweatproof, but proper cleaning is essential for longevity:
- Wipe the headphones with a soft, damp cloth after each use, especially after workouts, to remove sweat and dirt.
- Do not use abrasive cleaners or immerse the headphones in water.
- Ensure the charging port is dry before charging.
5.2 Storage
- Store the headphones in a cool, dry place away from direct sunlight and extreme temperatures.
- Use the magnetic earbuds to keep the cables tangle-free when not in use.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Headphones do not power on. | Low battery. | Charge the headphones fully. |
| Cannot pair with device. | Headphones not in pairing mode; Bluetooth off on device; device too far. | Ensure headphones are in pairing mode (flashing red/blue). Turn on Bluetooth on your device. Move device closer to headphones (within 10 meters). |
| No sound or poor sound quality. | Volume too low; headphones not connected; interference. | Adjust volume on headphones and device. Re-pair headphones. Move away from other wireless devices. |
| Microphone not working. | Device settings; microphone obstruction. | Check microphone settings on your device. Ensure microphone is not covered. |
7. Specifications

Image: A graphic representation of the product's technical specifications.
- Model Name: Neckband Headphones
- Item Model Number: 71485-BO
- Connectivity Technology: Wireless (Bluetooth)
- Bluetooth Version: 5.0
- Wireless Transmission Range: Approximately 10 meters (33 feet)
- Battery Life: Up to 80 Hours (Music Playback)
- Battery Capacity: 330 mAh
- Charging Time: Fast Charging Supported
- Water Resistance: IPX4 (Sweatproof)
- Noise Control: Passive Noise Cancellation, Noise Isolating
- Earpiece Shape: In-ear
- Control Method: Touch (Buttons)
- Material: Plastic
- Item Weight: 1.6 ounces
- Product Dimensions: 10.04 x 7.44 x 1.73 inches
- Compatible Devices: Smartphones, Tablets, Laptops, Smart TVs, Desktops
8. Product Video Overview
Video: A brief overview of the Bobcat Neckband Bluetooth Earphones with Microphone, showcasing its design and features.
9. Warranty and Support
CJ TECH products are designed for reliability and performance. For warranty information, technical support, or customer service inquiries, please refer to the contact information provided with your purchase or visit the official CJ TECH website. Please retain your proof of purchase for warranty claims.





