1. Introduction
The TELESIN Magnetic Smartphone Photography Flash Light is a portable and powerful lighting solution designed to enhance your smartphone photography. Featuring a strong magnetic attachment, adjustable brightness, and versatile flash and fill light modes, it provides professional-level lighting for various shooting scenarios. Its compact and lightweight design makes it an ideal accessory for on-the-go content creators.

2. Key Features
- 5000lux Powerful Output: Custom COB lamp beads and 15W power deliver extreme brightness, dozens of times brighter than standard phone flashes, with powerful coverage up to 10 meters.
- 7.07mm² Fresnel Lens: A large 1.2-inch Fresnel lens provides 35 times the area of typical phone flashes, focusing light for an even, soft, and efficient long-range projection.
- Continuous Flash, Zero Delay: Offers instant peak brightness with millisecond response, perfect for capturing fast-moving subjects in continuous shooting modes.
- 1000 Full-Power Flashes: The built-in 500mAh battery supports over 1000 full-power flashes on a single charge, ensuring extended use.
- Magnetic Attachment & Flexible Lighting: Features strong MagSafe compatibility with a 180° adjustable head for precise lighting control and professional-level setups. A magnetic ring is included for non-MagSafe devices.
- Instant 3W Selfie Fill Light: Easily switch to a soft fill light with three adjustable color temperatures (2500K, 4500K, 6500K) for flattering selfies and video calls.
- Compact & Ultra-Portable: Lightweight at only 60g and slim (0.8 inches thick), making it effortless to carry for everyday use.
- Reef Color App Sync: Download the 'Reef Color' app for seamless Bluetooth connection and one-touch flash synchronization when taking photos, allowing for advanced control.

3. Setup
3.1. Charging the Device
- Locate the Type-C charging port on the side of the flash light.
- Connect the provided Type-C charging cable to the port and plug the other end into a suitable USB power adapter (not included).
- The device will indicate charging status (e.g., an LED indicator). A full charge takes approximately 1 hour. Avoid operating the device while it is charging.
3.2. Attaching to your Smartphone
- For MagSafe Compatible Phones: Simply align the flash light with the MagSafe area on the back of your iPhone. The strong magnets will securely attach the device.
- For Non-MagSafe Phones: Use the included magnetic ring. Peel off the adhesive backing from the magnetic ring and carefully center it on the back of your smartphone or phone case. Once the ring is securely attached, you can then magnetically attach the flash light to the ring.

4. Operating Instructions
4.1. Power On/Off
Press and hold the power button (usually located on the side or top of the device) for a few seconds to turn the flash light on or off.
4.2. Switching Between Flash and Fill Light Modes
Once powered on, short press the power button or a dedicated mode button to cycle between flash mode and fill light mode.
4.3. Adjusting Brightness and Color Temperature
- Brightness: In either mode, use the designated control (e.g., a touch slider or buttons) to adjust the brightness from 10% to 100%.
- Color Temperature (Fill Light Mode): In fill light mode, you can cycle through three color temperature options: 2500K (warm), 4500K (neutral), and 6500K (cool) to match your environment or desired aesthetic.


4.4. Using the Reef Color App for Synchronization
- Download the 'Reef Color' app from your smartphone's app store.
- Ensure Bluetooth is enabled on your smartphone.
- Open the 'Reef Color' app and follow the on-screen instructions to connect to your TELESIN flash light via Bluetooth.
- Once connected, add the flash device within the app interface. The flash will be triggered simultaneously when you take a photo using the app.

5. Care and Maintenance
- Keep the device dry. Do not expose it to moisture or extreme temperatures.
- Clean the lens and body with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Store the flash light in a cool, dry place when not in use.
- Avoid dropping or subjecting the device to strong impacts.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on | Low battery; Device malfunction | Charge the device fully. If problem persists, contact support. |
| Flash not syncing with app | Bluetooth not connected; App not configured correctly | Ensure Bluetooth is on and the device is paired in the app. Restart both the app and the flash light. |
| Light output is weak | Low battery; Brightness setting too low | Charge the device. Increase brightness setting. |
| Magnetic attachment is weak | Improper alignment; Magnetic ring not used (for non-MagSafe phones) | Ensure proper alignment. For non-MagSafe phones, ensure the magnetic ring is correctly installed. |
7. Specifications
| Feature | Detail |
|---|---|
| Dimensions (L×W×H) | 2.6×2.3×0.7 inches (66×58.5×19mm) |
| Weight | 60g |
| Battery Capacity | 500mAh, 3.7V |
| Charging Port | Type-C |
| Charging Time | ≤1 hour (no operation while charging) |
| Flash Power | 15W |
| Fill Light Power | 3W |
| Flash Color Temperature | 6500K |
| Fill Light Color Temperature | 2500K / 4500K / 6500K |
| Bluetooth Range | 10m |
| Flash Runtime | ≥1000 times (full power) |
| Fill Light Runtime | ≥45 minutes |
| Flash Illuminance | >5000lux @0.5m |
| Fill Light Illuminance | >250lux @0.5m |
| High-speed Sync (HSS) | No |
| TTL Support | No |
| Display | Yes |

8. User Tips
- For optimal magnetic attachment, ensure your phone case is not excessively thick, especially if using the magnetic ring.
- Experiment with different color temperatures in fill light mode to find the best match for your skin tone or ambient lighting.
- When using the flash for continuous shooting, ensure the device is fully charged to maximize the number of full-power flashes.
9. Warranty and Support
This product comes with a standard manufacturer's warranty. For detailed warranty information, please refer to the documentation provided with your purchase or contact the seller directly. For technical support or inquiries, please reach out to the customer service department of Vlogger Pro Store.
Contact Information: Please refer to your purchase receipt or the seller's store page for the most up-to-date contact details.





