Introduction
This manual provides detailed instructions for the proper use and maintenance of your BOBLOV B4K2 4K Body Worn Camera. Please read this manual thoroughly before operating the device to ensure optimal performance and longevity. Keep this manual for future reference.

Image: The BOBLOV B4K2 4K GPS Body Worn Camera, highlighting its key features.
Product Overview
Package Contents
Upon unboxing, verify that all items listed below are present:
- 1x BOBLOV B4K2 4K Video Camera
- 1x Charging Dock Station
- 2x 3000mAh Batteries (one pre-installed in camera)
- 1x USB-C Cable
- 1x Short 360° Rotatable Clip
- 1x Long 360° Rotatable Clip
- 1x User Manual
- 1x Micro SD Card (pre-installed, capacity may vary)

Image: Contents of the BOBLOV B4K2 package, including the camera, batteries, charging dock, cables, and clips.
Key Features
- Video Resolution: Up to 4K (3840x2160P) at 30 frames per second.
- Photo Resolution: Up to 30 Megapixels.
- Battery Life: Two 3000mAh detachable batteries provide extended recording time.
- Night Vision: Equipped with 6 infrared lights for clear recording in low-light conditions.
- GPS Functionality: Records location data with video footage (requires Windows PC for playback with map).
- Storage: Supports Micro SD cards from 16GB to 512GB (Class 10/A1 recommended).
- Mounting: Includes short and long 360° rotatable clips for versatile attachment.
- Alarm Function: Features sound alarm and red laser for emergency situations.
Setup
1. Charging the Batteries
Before first use, fully charge both 3000mAh batteries. One battery is typically pre-installed in the camera, and the other is spare.
- Insert a battery into the charging dock station.
- Connect the USB-C cable to the charging dock and a power source (e.g., USB wall adapter, computer USB port).
- The indicator light on the dock will show charging status. Charge until the indicator shows full.
- Alternatively, the camera can be charged directly via its USB-C port.

Image: The BOBLOV B4K2 camera in its charging dock, with a spare battery shown, illustrating the long battery life feature.
2. Inserting the Micro SD Card
The camera supports Micro SD cards from 16GB to 512GB. A Class 10/A1 card is recommended for optimal performance.
- Locate the SD card slot on the camera.
- Gently insert the Micro SD card into the slot until it clicks into place.
- To remove, press the card gently inward, and it will spring out.
3. Attaching the Clip
Select either the short or long 360° rotatable clip based on your preference and attach it to the back of the camera. Ensure it is securely fastened.

Image: The BOBLOV B4K2 camera shown with a clip attached, demonstrating how it can be worn on clothing.
Operating Instructions
1. Power On/Off
- Power On: Press and hold the Power button until the screen illuminates.
- Power Off: Press and hold the Power button until the device shuts down.
2. Video Recording
The camera records video at resolutions up to 4K (3840x2160P) at 30fps.
- Start Recording: Press the Video Record button once. A red indicator light or on-screen icon will confirm recording is active.
- Stop Recording: Press the Video Record button again.

Image: Illustrates the camera's capability for 30MP photos and 30FPS 3840x2160P video with a 130° wide angle lens.
3. Photo Capture
Capture still images up to 30 Megapixels.
- While in standby or recording mode, press the Photo button once to take a picture.
4. Night Vision (Infrared)
The B4K2 features 6 infrared lights for recording in dark environments. Night vision can be set to manual or automatic.
- Manual Activation: In standby or recording mode, press the designated IR button (often an 'Up' arrow or specific function button) to toggle infrared lights on/off.
- Automatic Mode: Enable 'Auto IR' in the camera settings. The camera will automatically activate infrared lights in low-light conditions.

Image: The BOBLOV B4K2 camera displaying a night vision recording, highlighting its ability to capture clear footage in the dark.
5. GPS Function
The integrated GPS module records location data alongside your video footage.
- Enable GPS: Access the camera's settings menu and ensure the GPS function is enabled.
- Playback with Map: To view the recorded route, transfer the video files to a Windows PC and use the seller-provided GPS Player software.
- Note: The GPS Player software is compatible only with Windows operating systems.

Image: A visual representation of the BOBLOV B4K2's GPS function, showing a video playback interface with an overlaid map displaying the recorded route.
6. Loop Recording
The camera supports loop recording, automatically overwriting the oldest files when the memory card is full. You can set the video duration in the settings.
- Access the camera settings to adjust the video segment length (e.g., 5, 10, 15 minutes).
- The default video duration is typically 10 minutes.
7. Alarm Function
The B4K2 includes an alarm feature for emergency situations.
- Red-Blue Alarm: Activates flashing red and blue lights with an audible alarm. Refer to your camera's specific button layout for activation (often a dedicated 'FN' button).
- Red Beam Quick Locate: Projects a red laser beam for quick targeting or signaling.

Image: Depicts the BOBLOV B4K2's alarm function, showing the red-blue flashing lights and the red laser beam for quick location or signaling.
Maintenance
1. Battery Care
- Always use the provided charging dock and USB-C cable for charging.
- Avoid fully discharging batteries frequently to prolong their lifespan.
- Store spare batteries in a cool, dry place.
2. Data Transfer and Storage
- Connect the camera to a computer using the USB-C cable to transfer video and photo files.
- Regularly back up important footage to prevent data loss.
- Format the Micro SD card periodically within the camera's settings to maintain optimal performance and prevent corruption.
3. Cleaning
- Use a soft, dry cloth to clean the camera body.
- For the lens, use a specialized lens cleaning cloth and solution to avoid scratches.
- Do not use harsh chemicals or abrasive materials.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Camera does not power on. | Low or depleted battery. | Charge the battery fully using the charging dock or USB-C cable. Ensure battery is correctly inserted. |
| Recording does not start. | Record button not pressed firmly; SD card full or corrupted. | Press the record button firmly. Check SD card capacity and format if necessary. Replace SD card if corrupted. |
| "Low Battery" message after charging. | Battery not fully charged; faulty battery or charging dock. | Ensure proper connection to charging dock. Try charging a different battery. If issue persists, contact support. |
| Video artifacts or skipping (especially with H.265). | H.265 codec compatibility issues; slow SD card. | Switch video format to H.264 in settings. Ensure you are using a Class 10/A1 Micro SD card. |
| SD card repeatedly asks to be formatted. | SD card corruption or incompatibility. | Format the SD card via the camera's settings. If the problem persists, try a new, high-quality Micro SD card. |
| GPS route not visible during playback. | GPS function not enabled; incorrect playback software. | Ensure GPS is enabled in camera settings. Use the seller-provided GPS Player software on a Windows PC. |
| Audio quality is poor or low. | Microphone obstruction; subject too far from camera. | Ensure the microphone is not covered. Position the camera closer to the audio source. |
Specifications
| Feature | Detail |
|---|---|
| Brand | BOBLOV |
| Model Number | B4K2 |
| Video Capture Resolution | 4K (3840x2160P) |
| Effective Still Resolution | 30 MP |
| Screen Size | 3 Inches |
| Flash Memory Type | Micro SD (supports 16-512GB, C10/A1) |
| Battery Capacity | 2x 3000mAh (detachable) |
| Item Weight | Approx. 1.19 pounds (0.54 kg) |
| Product Dimensions | 2.36 x 1.97 x 3.15 inches (6 x 5 x 8 cm) |
| Water Resistance Level | Not Water Resistant |
| Image Stabilization | No |
| Compatible Devices | Personal Computer (for data transfer and GPS playback) |
Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the warranty card included in your product packaging or contact BOBLOV customer service directly.
You can also visit the official BOBLOV store for additional resources and contact information: BOBLOV Store on Amazon





