1. Introduction
The trettitre UV Light Box Sanitizer provides an efficient and convenient method for sterilizing various small items using UVC LED technology. Designed for ease of use and portability, this device helps maintain hygiene for your personal belongings at home, in the office, or while traveling.
Featuring four upgraded UVC LED beads on both sides, it offers wide wavelength coverage (260-280nm) for effective sanitization. The device also includes an aromatherapy function to freshen items during the sterilization process.
2. Safety Information
- UVC Exposure: Avoid direct exposure to UVC light. Do not look directly at the UVC LEDs when the lid is open and the device is operating.
- Automatic Shut-off: The device is equipped with an auto-off protection mechanism. The UV beads will automatically turn off if the magnetic switch cover is opened during operation, protecting users from ultraviolet light exposure.
- Children: Keep the device out of reach of children to prevent accidental exposure to UVC light.
- Water and Liquids: Do not immerse the device in water or any other liquids. Avoid spilling liquids into the device.
- Power Source: Use only the provided USB cable and a compatible 5V/1A power adapter.
3. Package Contents
- trettitre UV Light Box Sanitizer
- USB Charging Cable
- User Manual
- UV Test Paper (for intuitive verification of UV effect)
4. Product Features
- Advanced UVC Technology: Equipped with four upgraded UVC LED beads (260-280nm wavelength) for comprehensive sterilization.
- Wide Compatibility: Inner dimensions of 7.9 x 3.9 x 1.18 inches accommodate most smartphones up to 7 inches (e.g., iPhone 11 Pro Max, Samsung Note10), as well as glasses, jewelry, keys, tableware, masks, and underwear.
- Automatic Operation: One-button operation initiates a 6-minute sterilization cycle.
- Safety Protection: Magnetic switch cover automatically turns off UV lights when opened during operation.
- Aromatherapy Function: Integrated aroma diffuser allows for adding essential oils to freshen items during sterilization.
- Portable Design: Compact and lightweight, suitable for home, office, and travel use.
- Durable LED Beads: UVC LED beads have a lifespan of up to 10,000 hours.
5. Setup
- Unpack the trettitre UV Light Box Sanitizer and all accessories from the packaging.
- Connect the provided USB charging cable to the device's power input port.
- Plug the other end of the USB cable into a compatible 5V/1A USB power adapter (not included) or a USB port on a computer.
- Place the device on a stable, flat surface.
6. Operating Instructions
6.1. UV Sanitization
- Open the lid of the UV Light Box.
- Place the item(s) to be sterilized inside the box. Ensure items are not overlapping excessively to allow UVC light to reach all surfaces.
- Close the lid securely. The device will not operate if the lid is not fully closed.
- Press the sterilization button (usually indicated by a sun icon or power symbol). The device will automatically begin a 6-minute sterilization cycle. An indicator light will confirm operation.
- Once the 6-minute cycle is complete, the device will automatically turn off. You can then open the lid and remove your sanitized items.

Figure 1: Step-by-step guide on how to use the trettitre UV Light Box Sanitizer.
6.2. Aromatherapy Function
- Locate the aromatherapy droplet inlet inside the box (refer to Figure 2).
- Add 3-5 drops of your favorite aromatherapy oil or perfume into the designated inlet. Do not exceed 5 drops.
- Close the lid and press the aromatherapy button (usually indicated by a flower icon). This function can be used independently or concurrently with the UV sterilization cycle.
- Enjoy the fresh scent infused into your items.

Figure 2: Overview of the trettitre UV Light Box features, including aromatherapy inlet and sterilization cycle.
6.3. Product Demonstration Videos
Video 1: Demonstration of the trettitre UV Light Box for sterilizing nail tools and other small items. This video shows the device in use, highlighting its functionality and ease of operation.
Video 2: Overview of the trettitre UVC sanitizer box, demonstrating its use for phones and other electronic devices. This video provides a visual guide to the sanitization process.
7. Maintenance
- Cleaning: Wipe the exterior of the device with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Interior: The interior can be wiped with a slightly damp cloth if necessary. Ensure the device is completely dry before closing the lid or operating.
- LED Lifespan: The UVC LED beads are designed to last up to 10,000 hours and do not require replacement under normal use.
8. Troubleshooting
- Device not turning on: Ensure the USB cable is securely connected to both the device and a working power source (5V/1A). Check if the power adapter is functioning correctly.
- UV lights not activating: Ensure the lid is completely closed. The safety mechanism prevents UV lights from turning on if the lid is open.
- Aromatherapy not working: Check if essential oil has been added to the inlet. Ensure the aromatherapy button is pressed.
- Incomplete sterilization: Ensure items are placed flat and not stacked, allowing UVC light to reach all surfaces. For heavily soiled items, pre-cleaning is recommended.
9. Specifications
- Inner Dimensions: 7.9 x 3.9 x 1.18 inches
- UVC Wavelength: 260-280nm
- Sterilization Cycle Time: 6 minutes
- LED Lifespan: Up to 10,000 hours
- Power Input: 5V/1A (via USB)
- Product Weight: Approximately 13.76 ounces
- Manufacturer: trettitre
- Model Number: B08NJM3T5H
- UPC/GTIN: 791767877652
10. Warranty and Support
The trettitre UV Light Box Sanitizer comes with a 12-month free warranty from the date of purchase. This warranty covers manufacturing defects and ensures the effective and durable performance of the LED UV beads.
For any questions, technical support, or warranty claims, please contact our customer service team. Refer to the product packaging or the official trettitre website for contact information.