1. Introduction
Thank you for choosing the ATUMTEK ATSS118 Selfie Ring Light. This user manual provides essential information for the safe and effective operation of your device. Please read these instructions thoroughly before use and retain them for future reference.
2. Product Overview
The ATUMTEK ATSS118 is a portable and rechargeable clip-on ring light designed to enhance your photos, videos, and video calls with optimal illumination. It features adjustable brightness and multiple color temperatures to suit various lighting conditions.
Package Contents
- ATUMTEK ATSS118 Selfie Ring Light Unit
- Integrated Clip
- USB Charging Cable

3. Setup
Attaching to Your Device
- Ensure the ring light is fully charged or connected to a power source.
- Gently open the integrated clip.
- Position the clip over the top edge of your smartphone, tablet, or laptop screen, ensuring the light faces you. The soft silicone padding on the clip protects your device from scratches.
- Adjust the angle of the ring light as needed for optimal illumination.

4. Operating Instructions
Controls
The ring light features intuitive controls located on the side of the unit or on the inline USB cable controller:
- Power Button: Press and hold to turn the light ON or OFF.
- Mode Button: Short press to cycle through the three color temperature modes (Warm White, Neutral White, Cool White).
- Brightness Buttons (+/-): Use these buttons to adjust the light intensity. There are four adjustable brightness levels.

Light Modes and Brightness
The ATSS118 offers versatile lighting options:
- Warm White: Ideal for creating a cozy and inviting atmosphere.
- Neutral White: Provides balanced illumination suitable for general use.
- Cool White: Offers bright, crisp lighting perfect for detailed work or professional settings.

Adjusting the Light Angle
The ring light can be rotated and tilted to direct light precisely where needed. The lamp head rotates 360 degrees, allowing for flexible positioning whether you are using the front or rear camera of your device.
5. Charging
The ATUMTEK ATSS118 Selfie Ring Light is equipped with a USB rechargeable battery. Use the provided USB cable to charge the device.
- Connect the USB cable to the charging port on the ring light.
- Plug the other end of the USB cable into a compatible USB power source (e.g., laptop, wall adapter, power bank).
- A charging indicator light will typically show the charging status.
- The device provides up to 1.5 hours of lighting on a full charge and can be used while charging for uninterrupted operation.

6. Maintenance
- Cleaning: Use a soft, dry cloth to wipe the surface of the ring light. Avoid using abrasive cleaners or solvents.
- Storage: Store the device 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 device regularly, even if not in use for extended periods.
7. Troubleshooting
Common Issues and Solutions
- Light not turning on:
- Ensure the battery is charged. Connect the device to a USB power source.
- Press and hold the power button for a few seconds to activate.
- Light not bright enough:
- Use the '+' button to increase brightness.
- Check battery level; lower charge may result in reduced brightness.
- Light not holding charge:
- Ensure the USB cable and power source are functioning correctly.
- Battery life may naturally decrease over time with repeated use.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | ATUMTEK |
| Model Number | ATSS118 |
| Product Dimensions | 9.4 x 9.4 x 35.8 cm |
| Weight | 100 g |
| Battery Type | 1 Lithium Polymer battery required |
| Battery Life | Up to 1.5 Hours |
| Connectivity Technology | USB |
| Hardware Interface | Micro USB 2.0 Type B |
| Light Modes | 3 Color Temperatures (Warm White, Neutral White, Cool White) |
| Brightness Levels | 4 Adjustable Levels |
9. Warranty and Support
For warranty information or technical support, please refer to the product packaging or contact ATUMTEK customer service directly. Keep your purchase receipt as proof of purchase.





