1. Product Overview
The BOBLOV B4K3 is a high-performance body-worn camera designed for reliable video and audio recording in various environments. It features 3.2K video resolution, 48MP photo capability, GPS logging, night vision, and a robust IP68 waterproof and 2.5-meter drop-resistant design.
1.1 Components and Controls
Familiarize yourself with the camera's layout and included accessories.

This diagram illustrates the various components and controls of the BOBLOV B4K3 Body Camera, including the lens, screen, power button, record button, menu button, and USB port.

The image displays the complete packaging contents for the BOBLOV B4K3 Body Camera, including the camera unit, charging dock, USB cable, charger plug, short 360-degree back clip, long 360-degree shoulder clip, and user manual.
2. Setup
2.1 Charging the Device
Before first use, fully charge the BOBLOV B4K3 Body Camera. The device is equipped with a 4000mAh internal battery.
- Connect the USB cable to the charging dock.
- Plug the charger into a power outlet.
- Place the camera into the charging dock. Ensure proper alignment for charging contacts.
- The charging indicator light will illuminate. A full charge typically takes 5-6 hours.

The BOBLOV B4K3 Body Camera is shown in its dedicated docking station, indicating a 4000mAh battery capacity. A full charge takes approximately 5 hours, providing up to 14 hours of recording time at 1080P resolution.
2.2 Powering On/Off
- To Power On: Press and hold the Power button (refer to the diagram in Section 1.1) for approximately 3 seconds until the screen illuminates.
- To Power Off: Press and hold the Power button for approximately 3 seconds. A power-off prompt will appear; confirm to shut down the device.
3. Operating Instructions
3.1 Video Recording
The B4K3 supports video recording up to 3.2K resolution (1800P at 30fps).
- Ensure the camera is powered on.
- Press the dedicated Record Button (refer to the diagram in Section 1.1) once to start video recording. The recording indicator light will flash, and a recording icon will appear on the screen.
- Press the Record Button again to stop recording. The file will be saved automatically.

This image shows the BOBLOV B4K3 Body Camera's screen during active video recording, indicating a resolution of 1800P at 30 frames per second. The display also shows date, time, and device ID.
3.2 Photo Capture
Capture high-resolution still images up to 48MP.
- While in standby mode or during video recording, press the Photo Button (refer to the diagram) once to take a still picture.
- The camera will briefly display a capture confirmation, and the image will be saved.
3.3 Night Vision (IR)
The B4K3 features infrared (IR) night vision for clear recording in low-light or no-light conditions.
- To activate/deactivate IR night vision, locate the IR Switch (refer to the diagram).
- Slide the switch to the ON position to enable IR. The camera will automatically adjust for optimal low-light recording.

The image illustrates the camera's night vision feature, showing a scene illuminated by infrared (IR) light, enabling clear recording in low-light conditions.
3.4 GPS Functionality
The integrated GPS module records location data with your video files, allowing for route traceback.
- GPS is automatically enabled when the camera is powered on.
- Ensure the camera has a clear view of the sky for optimal GPS signal reception.
- Recorded GPS data can be viewed using the dedicated GPS Player software on a personal computer.

This image highlights the GPS functionality of the BOBLOV B4K3 Body Camera, indicating its ability to record location data that can be traced back using the provided GPS player software.
3.5 White Light and Red Beam
The camera includes auxiliary lighting features.
- White Light: Press the dedicated White Light Button (refer to the diagram) to activate the white LED light for additional illumination in dark areas. Press again to turn off.
- Red Beam: Press the dedicated Red Beam Button (refer to the diagram) to activate the red laser beam for pointing or quick targeting. Press again to turn off.

The image shows the BOBLOV B4K3 Body Camera's integrated white light, providing additional illumination for recording in dark environments.

This image demonstrates the red beam feature of the BOBLOV B4K3 Body Camera, which can be used for quick targeting or indication.
3.6 Playback and File Management
- On-Device Playback: Use the navigation buttons (refer to the diagram) to browse recorded files on the camera's screen. Select a file and press the OK button to play.
- Computer Connection: Connect the camera to a personal computer using the provided USB cable. The camera will appear as a removable disk, allowing you to transfer and manage files.
4. Maintenance
4.1 Cleaning
- Wipe the camera body with a soft, damp cloth. Avoid harsh chemicals or abrasive materials.
- Use a lens cleaning cloth to gently clean the camera lens and screen.
- Ensure all ports are free of dust and debris.
4.2 Durability Features
The B4K3 is designed for durability:
- IP68 Waterproof: The camera is protected against dust and can withstand immersion in water up to 1.5 meters for 30 minutes. Ensure all port covers are securely closed before exposure to water.
- 2.5M Drop Resistance: The robust casing provides protection against drops from up to 2.5 meters.

The image depicts the BOBLOV B4K3 Body Camera's robust design, highlighting its IP68 waterproof rating and 2.5-meter drop resistance, suitable for demanding environments.
4.3 Storage
Store the camera in a cool, dry place away from direct sunlight and extreme temperatures when not in use. Ensure the battery is partially charged (around 50%) for long-term storage to preserve battery health.
5. Troubleshooting
If you encounter issues with your BOBLOV B4K3 Body Camera, refer to the following common solutions:
- Device Not Powering On: Ensure the battery is fully charged. Connect to the charger and attempt to power on again.
- Recording Issues: Check if the internal memory is full. Transfer files to a computer to free up space. Ensure the camera is not in a low-power state.
- GPS Not Working: Ensure the camera has a clear view of the sky. Allow several minutes for the GPS to acquire a signal.
- Computer Not Recognizing Camera: Try a different USB port or cable. Ensure the camera is powered on when connected to the computer.
- Short Battery Life: Ensure the camera is fully charged before use. Reduce video resolution or turn off unnecessary features (e.g., Wi-Fi if available, screen brightness) to extend battery life.
If problems persist, contact customer support.
6. Specifications
| Feature | Detail |
|---|---|
| Brand | BOBLOV |
| Model Number | 02US-B4K3128GBGPS |
| Video Capture Resolution | 3.2K (1800P) |
| Effective Still Resolution | 48 MP |
| Battery Capacity | 4000mAh |
| Screen Size | 2 Inches |
| Waterproof Rating | IP68 |
| Drop Resistance | 2.5 Meters |
| Supported Audio Format | AAC |
| Compatible Devices | Personal Computer |
| Item Weight | 1.11 pounds |
| Package Dimensions | 6.73 x 4.96 x 2.72 inches |
7. Customer Support
For further assistance, technical support, or warranty inquiries, please contact BOBLOV customer service:
- Email: support@boblov.com
- Website: www.boblov.com
Please have your model number (B4K3) and purchase information ready when contacting support.





