1. Introduction
This manual provides detailed instructions for the proper use, setup, operation, and maintenance of your BOBLOV HD31-G Body Worn Camera. Please read this manual thoroughly before using the device to ensure optimal performance and safety. The BOBLOV HD31-G is a versatile recording device designed for various applications, featuring high-resolution video, night vision capabilities, and a robust design.
2. Package Contents
Verify that all items listed below are included in your package:
- 1x BOBLOV HD31-G 32GB Camera
- 2x Attachment Clips (Short and Long)
- 1x Power Adapter
- 1x USB Cable
- 1x Car Charger
- 1x User Manual

This image displays all items included in the BOBLOV HD31-G package: the camera unit, two attachment clips, a power adapter, a USB cable, and a car charger.
3. Product Overview
3.1 Key Features
- High-Resolution Recording: Supports 1296P HD video recording with multiple resolution options (2304*1296 25p, 1920*1080 30P, 1280*720 30P/60P, 640*480 30p).
- Wide-Angle Lens: Features a 140-degree wide-angle lens to capture a broad field of view.
- Night Vision: Equipped with high-intensity infrared (IR) LEDs for clear recording up to 7 meters (23 feet) in complete darkness.
- Long Battery Life: Built-in 3000mAh rechargeable battery provides up to 8 hours of continuous recording at 720P.
- Durable Design: IP58 protection level offers resistance against dust and water splashes, suitable for various environments.
- Easy Operation: Intuitive controls for one-button video recording, photo capture, and audio recording.
- Digital Zoom: 0-16X digital zoom capability.
- Integrated Storage: 32GB internal storage capacity.

This image illustrates the BOBLOV HD31-G body worn camera's capability to record in high resolution, including 1296P, 1080P, and 720P, capturing clear footage in various environments.
3.2 Camera Components
The BOBLOV HD31-G camera features a 2.0-inch Full HD LCD screen for live view and playback. The front of the camera includes the main lens, infrared LEDs, and supplementary white light/laser positioning. Side buttons control power, recording, photo capture, and menu navigation. Ports for USB, HDMI, and AV Out are located on the device for connectivity.

The camera's 140-degree wide lens ensures a comprehensive field of view, capturing more of the scene in every frame.
4. Setup
4.1 Charging the Battery
Before initial use, fully charge the camera's built-in 3000mAh lithium battery. Connect the camera to the power adapter using the provided USB cable. A full charge typically takes approximately 4 hours. The battery indicator on the screen will show charging status and completion.

This image highlights the camera's integrated 3000mAh high-capacity battery, which provides approximately 8 hours of usage time after a 4-hour charging period.
4.2 Attaching the Clips
The BOBLOV HD31-G comes with two types of clips for secure attachment:
- Short Clip: Ideal for attaching the camera to pockets, lapels, or other thin edges.
- Long Clip: Suitable for securing the camera to belts, uniform straps, or thicker garments.
To attach a clip, align it with the slot on the back of the camera and slide it into place until it clicks securely. Ensure the camera is firmly attached before use.

The BOBLOV HD31-G camera comes with two types of clips, a short clip for attaching to pockets or lapels, and a long clip for securing to a belt or uniform, providing versatile wearing options.
5. Operating Instructions
5.1 Power On/Off
- Power On: Press and hold the Power button for a few seconds until the screen illuminates.
- Power Off: Press and hold the Power button for a few seconds until the device shuts down.
5.2 Video Recording
To start video recording, press the dedicated Video Record button. The recording indicator will typically flash, and a timer will appear on the screen. Press the Video Record button again to stop recording. Videos are saved in MOV H.264 format.
5.3 Taking Photos
To capture a still image, press the Photo button. The camera will take a picture, and a shutter sound may be heard. Photos are saved in JPEG format.
5.4 Audio Recording
The camera supports standalone audio recording. Press the Audio Record button to start recording audio. Press it again to stop. Audio files are saved in MP3 format.
5.5 Night Vision
The BOBLOV HD31-G features an automatic IR night vision function. In low-light or dark environments, the infrared LEDs will activate automatically to ensure clear video capture. The night vision range is up to 7 meters (23 feet).

The camera automatically activates its infrared night vision in low-light conditions, allowing for clear video capture even in complete darkness.
5.6 Supplementary Light Source
The camera includes a supplementary light source for enhanced visibility:
- Laser Positioning: A short press of the dedicated button activates a laser pointer for precise targeting.
- Bright White Light: A long press of the same button activates a bright white LED light, useful for illuminating subjects in dark conditions.

The camera features a supplementary light source, activated by a short press for laser positioning and a long press for a bright white light, useful in various recording scenarios.
5.7 Data Transfer and Deletion
To access recorded files, connect the camera to a computer using the provided USB cable. The camera will appear as a removable storage device. Important: All recorded videos, images, and audio files can ONLY be deleted via a computer. This security feature prevents unauthorized deletion directly from the device.
6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the camera body. For the lens, use a specialized lens cleaning cloth and solution. Avoid abrasive materials or harsh chemicals.
- Storage: Store the camera in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the camera regularly, even if not in use for extended periods.
- Firmware Updates: Check the manufacturer's website periodically for any available firmware updates to ensure optimal performance and new features.
7. Troubleshooting
- Camera not turning on: Ensure the battery is charged. Connect to a power source and try again.
- Recording issues: Check if the internal storage is full. Transfer files to a computer to free up space.
- Poor video/photo quality: Ensure the lens is clean. Check recording resolution settings.
- Device unresponsive: If the camera freezes, try a soft reset by pressing and holding the power button for an extended period (e.g., 10-15 seconds) until it powers off.
- Cannot connect to computer: Try a different USB port or cable. Ensure the camera is powered on when connected.
8. Specifications
| Feature | Specification |
|---|---|
| Brand | BOBLOV |
| Model | HD31-G |
| Display | 2.0-inch Full HD LCD screen |
| Camera Angle | F2.0 aperture, 140 degrees wide angle |
| Digital Zoom | 0-16X |
| Video Frame Rate | 30 frames per second |
| Video Format | MOV H.264 |
| Video Resolution | 2304*1296 25p / 1920*1080 30P / 1280*720 30P/60P / 640*480 30p |
| Photo Format | JPEG |
| Photo Pixels | 14M / 12M / 8M / 5M / 3M (adjustable) |
| Storage Capacity | 32 GB (internal) |
| Audio Recording | MP3 format, supports solo recording |
| Dimensions | 94 x 61 x 31 mm (approx. 3.7 x 2.4 x 1.2 inches) |
| Weight | 170 g (camera body + shoulder clip) |
| Battery Capacity | 3000 mAh built-in lithium battery |
| Standby Time | Up to 24 hours |
| Continuous Recording Time | Up to 8 hours (at 720P) |
| Full Charging Time | Approximately 4 hours |
| Supplementary Light | Infrared light, bright white light |
| Night Vision Range | Up to 7 meters (23 feet) |
| Operating Temperature | -30°C to 55°C (-22°F to 131°F) |
| Working Relative Humidity | ≤93% |
| Storage Temperature | -40°C to 60°C (-40°F to 140°F) |
| Protection Level | IP58 |
| Anti-drop Grade | 2.5 meters |
9. Warranty and Support
BOBLOV products are manufactured to high-quality standards. For warranty information, technical support, or service inquiries, please refer to the contact information provided with your purchase documentation or visit the official BOBLOV website. Keep your proof of purchase for warranty claims.