1. Introduction
Thank you for choosing the H88 PRO Thumb Sports Action Camera. This compact and versatile camera is designed for capturing high-quality video and photos during various activities, offering features like 4K/1080P recording, magnetic mounting, and 30m waterproofing. Please read this manual carefully to understand how to operate and maintain your camera for optimal performance.
2. Product Overview
2.1. Key Features
- High-Resolution Recording: Supports 1080P or 4K video resolution.
- H.265 Encoding: Efficient video compression for better quality and smaller file sizes.
- Magnetic Mounting: Built-in magnetic attraction allows for easy installation on various surfaces.
- Waterproof Design: Capable of operating underwater up to 30 meters.
- Wide Angle Lens: 120° wide-angle view to capture more of your surroundings.
- WIFI Connectivity: Mobile phone interconnection for one-click download and sharing via the Viidure App.
- Loop Recording: Automatic coverage, supporting up to 256GB TF card (not included).
- Recording While Charging: Allows for extended recording sessions.
- Portable & Lightweight: Weighs approximately 35.95g (1.27 oz) for easy carrying.
- Versatile Usage: Ideal for activities like riding, camping, skiing, fishing, and walking the dog.
2.2. Package Contents
The package includes the H88 PRO Thumb Sports Camera and various accessories for versatile use.

Typical accessories include:
- H88 PRO Thumb Sports Camera (White or Black)
- Waterproof Case
- Portable Back Clip
- Lanyard
- USB Charging Cable
- Various Mounting Brackets (e.g., helmet mounts, handlebar mount)
- User Manual (this document)
3. Specifications
| Feature | Specification |
|---|---|
| Product Name | Portable Outdoor Thumb Action Camera |
| Video Resolution | 1080P or 4K (optional) |
| Waterproof Depth | Up to 30 meters |
| Optical Zoom | Fixed Lens |
| Built-in Memory | None |
| Imaging Sensor | CMOS |
| Storage Medium | microSD (Max. 128GB, not included) |
| Camera Angle | 120° Wide Angle |
| Application | Viidure App |
| Function | Video Recording + Photo Taking |
| Battery | 800mAh |
| Working Time | Approximately 4 hours |
| Magnetic Plate Support | Yes |
| Origin | Mainland China |
| High-concerned chemical | None |
4. Setup
4.1. Charging the Camera
Before first use, fully charge the camera. Connect the camera to a USB power source using the provided USB charging cable. The camera supports recording while charging, allowing for extended use with a power bank or motorcycle power.

4.2. Inserting a Memory Card
The camera does not have built-in memory. A microSD card (up to 128GB, not included) is required for recording. Locate the microSD card slot on the camera, and gently insert the card until it clicks into place. Ensure the camera is powered off before inserting or removing the card.
4.3. Mounting the Camera
The H88 PRO offers multiple installation options:
- Magnetic Mounting: The camera features a built-in magnetic attraction, allowing it to be easily attached to metallic surfaces or used with magnetic accessories.

- Portable Back Clip: Use the included back clip to attach the camera to clothing pockets, folders, school bags, or your waist. The clip allows for 360° rotation and 30° adjustment.

- Helmet & Handlebar Mounting: Utilize the provided mounting brackets to install the camera on electric vehicle helmets, bicycle helmets, motorcycle helmets (top or side), or handlebars.

4.4. App Installation
Download and install the Viidure App on your mobile phone for seamless control, viewing, and sharing of your camera's content. The app is available for both Android and iOS devices.
5. Operating Instructions
5.1. Power On/Off
- Power On: Press and hold the power button (usually the main button on the camera) for a few seconds until the indicator light turns on.
- Power Off: Press and hold the power button again for a few seconds until the indicator light turns off.
5.2. Recording Video
Once powered on, press the record button (often the same as the power button or a dedicated button) to start video recording. The indicator light will typically flash to indicate recording is in progress. Press the button again to stop recording.
- Resolution: Choose between 1080P or 4K resolution settings via the mobile app.
- Loop Recording: The camera supports loop recording, automatically overwriting the oldest files when the memory card is full. Ensure your microSD card has sufficient space or enable loop recording if desired.
5.3. Taking Photos
In photo mode (if available, switch via app or dedicated button), press the shutter button to take a still photograph. The indicator light may flash once to confirm the photo has been taken.
5.4. WIFI Connection and Sharing
To connect your camera to your mobile phone:
- Ensure the camera is powered on and WIFI is enabled (check camera indicator or app settings).
- Open the Viidure App on your smartphone.
- Follow the in-app instructions to connect to the camera's WIFI network.
- Once connected, you can view live footage, adjust settings, download videos/photos, and share them directly to social media.

5.5. Waterproof Usage
The camera is waterproof up to 30 meters. Ensure all ports and covers are securely closed before submerging the camera in water. For prolonged underwater use, consider using the dedicated waterproof case if provided, as it offers additional protection.
6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the camera body. For the lens, use a specialized lens cleaning cloth and solution. Do not use harsh chemicals.
- Water Exposure: After using the camera in water, rinse it with fresh water and dry thoroughly before opening any ports or charging.
- Storage: Store the camera in a cool, dry place away from direct sunlight and extreme temperatures. Remove the microSD card if storing for extended periods.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the camera periodically if not used for a long time.
7. Troubleshooting
- Camera not turning on: Ensure the battery is charged. Connect to a power source and try again.
- Cannot record: Check if a microSD card is inserted and if it has sufficient free space. Format the card if necessary (this will erase all data).
- WIFI connection issues: Ensure the camera's WIFI is enabled. Restart both the camera and your phone's WIFI. Make sure you are within range of the camera's WIFI signal.
- Poor video quality: Ensure the lens is clean. Check the resolution settings in the app. Ensure adequate lighting for recording.
- Camera freezing: Try restarting the camera. If the issue persists, perform a factory reset via the app (if available) or by pressing a reset button (refer to specific camera design if present).
8. User Tips
- Hands-Free Operation: Take advantage of the magnetic mounting and back clip for truly hands-free recording during activities like cycling, skiing, or walking your pet.

- Maximize Storage: While the camera supports up to 256GB, consider using a high-speed (Class 10 or U3) microSD card for optimal 4K recording performance.
- Check Battery Life: For long recording sessions, utilize the 'recording while charging' feature with a portable power bank.
- Explore App Features: The Viidure App provides extensive control and editing options. Familiarize yourself with its features for a better user experience.
9. Warranty and Support
This product comes with a standard manufacturer's warranty. For detailed warranty information, please refer to the documentation provided at the time of purchase or contact your retailer. For technical support or further assistance, please reach out to the customer service of the Qilu Topitems Store.