1. Introduction
Thank you for choosing the BOBLOV KJ21 Body Worn Camera. This device is designed to capture high-definition video and audio, providing reliable evidence recording for various applications such as law enforcement, security, and personal documentation. This manual will guide you through the setup, operation, and maintenance of your new body camera.
2. Safety Information
⚠️ Disclaimer: Camera products can only be used for the purposes permissible under the applicable law and regulations. Misuse of the product for any illegal activities is strictly forbidden. Please comply with the applicable laws and regulations in your country/area.
3. Package Contents
Please check the package to ensure all items are present:
- 1x BOBLOV KJ21 Body Camera
- 1x USB Cable
- 1x Short 360° Back Clip
- 1x Long 360° Shoulder Clip
- 1x User Manual
- 1x Charger Plug

4. Product Overview
The BOBLOV KJ21 is a compact and robust body-worn camera designed for reliable recording. It features a high-definition lens, infrared night vision, and a long-lasting battery.

Key Features:
- High Definition Video: Records at 2640x1296P/30fps.
- High Resolution Photos: Captures 30 MP still images.
- Wide Angle Lens: 140-degree field of view.
- Infrared Night Vision: Equipped with 6 IR lights for clear recording in low-light conditions.
- Long Battery Life: Built-in 2850mAh battery supports up to 11 hours of recording (1080P with audio).
- Loop Recording: Automatically overwrites oldest files when storage is full.
- File Protection: Allows locking of current files to prevent accidental deletion.
- Expandable Storage: Supports MicroSD / TF cards up to 256GB (card not included).

5. Setup
5.1 Charging the Battery
Before first use, fully charge the camera. Connect the camera to the charger plug using the provided USB cable. A full charge typically takes about 4 hours. The battery indicator on the screen will show charging status.

5.2 Inserting a Memory Card
The camera supports MicroSD / TF cards up to 256GB. Locate the external card slot and gently insert the memory card until it clicks into place. Ensure the card is formatted before initial use (refer to the 'Operating Instructions' for formatting).
5.3 Attaching the Clip
Choose between the Short 360° Back Clip or the Long 360° Shoulder Clip based on your preference. Attach the clip to the back of the camera and secure it to your clothing or gear.
6. Operating Instructions
6.1 Power On/Off
- Power On: Long press the Power button until the screen turns on.
- Power Off: Long press the Power button until the camera shuts down.
6.2 Video Recording
- Start Recording: Short press the Video button to begin video recording.
- Stop Recording: Short press the Video button again to stop recording.
6.3 Audio Recording
- Start Audio Recording: Refer to the camera's on-screen menu or dedicated audio button (if available) to initiate audio-only recording.
- Stop Audio Recording: Press the same button or select the option from the menu to stop.
6.4 Taking Photos
- Take Photo: Short press the Photo button to capture a still image.
6.5 Night Vision Function
- Activate/Deactivate Night Vision: Long press the light button to turn ON/OFF the IR night vision function.

6.6 File Protection (Lock Current File)
- To lock the current recording file, press the designated 'Lock' button or follow the on-screen prompts. This prevents the file from being overwritten during loop recording.
6.7 Reset Button
- If the device becomes unresponsive, locate the small 'Reset Button' (often a pinhole) and use a thin object (like a paperclip) to press it. This will restart the camera without deleting data.
7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the camera body. For the lens, use a specialized lens cleaning cloth and solution.
- Storage: Store the camera in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: For long-term storage, charge the battery to about 50% every few months to prolong its lifespan.
- Firmware Updates: Check the official BOBLOV website periodically for any available firmware updates to ensure optimal performance.
8. Troubleshooting
- Camera not turning on: Ensure the battery is charged. If it's charged, try pressing the Reset button.
- Recording issues (e.g., freezing, corrupted files): Format the memory card. Ensure you are using a high-quality MicroSD/TF card (Class 10/A1 recommended).
- Poor night vision quality: Clean the camera lens and ensure no obstructions are blocking the IR lights.
- Short battery life: Ensure the camera is fully charged. Reduce screen brightness or turn off unnecessary features to conserve power.
- Camera not recognized by computer: Try a different USB cable or USB port. Ensure the camera is powered on and in the correct USB mode (if applicable).
9. Specifications
| Feature | Specification |
|---|---|
| Model Number | KJ21 |
| High Definition Support | 1080P (Full-HD), 1296P |
| Photo Resolution | 30 MP |
| Sensor Technology | CMOS |
| Memory Card Type | MicroSD / TF |
| Max Memory Card Capacity | 256GB |
| Built-in Memory Size | Non |
| Battery Capacity | 2850mAh |
| Recording Time (1080P, audio) | Up to 11 hours |
| Charging Time | Approx. 4 hours |
| Camera Stabilization | NONE |
| Type | Mini |
| Certification | CE |
| Origin | Mainland China |
| Package | Yes |
10. User Tips
- Memory Card Formatting: Always format a new memory card in the camera before its first use to ensure compatibility and optimal performance.
- Battery Management: For extended recording sessions, consider carrying a portable power bank to recharge the camera on the go.
- Night Vision Clarity: Keep the camera lens and the area around the IR lights clean to maximize the effectiveness of night vision recording.
- File Organization: Regularly transfer important files to a computer and organize them to avoid clutter and ensure easy retrieval.
11. Warranty and Support
BOBLOV provides a two-year warranty for this product. For any technical support or warranty claims, please contact BOBLOV customer service through their official channels. Please retain your proof of purchase for warranty validation.