1. Introduction
The TOZLU USB Mini Disco Light is a compact and portable lighting device designed to create a vibrant party atmosphere. It features RGBW LED lights that react to sound and project dynamic patterns, making it ideal for various settings such as home rooms, bedrooms, cars, and small gatherings. Its plug-and-play design ensures ease of use with a wide range of USB-compatible devices.
2. What's in the Box
- 4x Mini USB Disco Lights
- 1x iPhone Adapter
- 1x Type-C Adapter
- 1x Android Micro Adapter

Figure 2.1: Contents of the package, including the USB Mini Disco Lights and various phone adapters.
3. Setup Instructions
- Power Source Connection: Insert the USB Mini Disco Light directly into any standard USB output port. Compatible sources include power banks, portable chargers, computers, car chargers, and karaoke machines.
- Mobile Phone Connection: If connecting to a mobile phone, attach the appropriate adapter (iPhone, Type-C, or Android Micro) to the disco light's USB plug, then insert the adapter into your phone's charging port.
- Android OTG Setting: For Android phones, ensure that the "OTG" setting is enabled in your phone's settings to allow the disco light to function correctly. This setting is typically found under 'More settings' or 'Additional settings'.

Figure 3.1: The compact size of the disco light and examples of connecting it to a smartphone and laptop.

Figure 3.2: The disco light is compatible with a variety of USB-enabled devices for power.
4. Operating Instructions
The USB Mini Disco Light operates automatically once connected to a power source. It features a smart voice activation sensor that allows the lights to react to nearby sounds or music, changing colors and speed accordingly. There are no manual controls or buttons on the device itself; its operation is entirely plug-and-play and sound-activated.

Figure 4.1: The disco light projects dynamic, multi-colored patterns.

Figure 4.2: The light enhances the atmosphere for various occasions and celebrations.
Video 4.1: Demonstration of the Mini Portable Disco Ball's light effects and sound reactivity in various environments, including a car interior.

Figure 4.3: Example of the disco light being used to create a festive ambiance inside a car.
5. Maintenance
- Cleaning: Wipe the exterior of the disco light with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
- Handling: Handle with care to avoid dropping or impacting the device, which could damage the internal components or the light-emitting dome.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Light does not turn on. | No power, loose connection, or Android OTG not enabled. | Ensure the light is securely plugged into a working USB port. If using an Android phone, verify that the "OTG" setting is turned on. Try a different USB power source. |
| Light does not react to sound/music. | Sound source too far or too quiet, or Android OTG issue. | Place the disco light closer to the sound source or increase the volume. Confirm Android OTG setting is active if applicable. |
| Light patterns are dim or inconsistent. | Insufficient power supply. | Ensure the USB power source provides adequate power (5V). Avoid using unpowered USB hubs. |
7. Specifications
| Feature | Detail |
|---|---|
| Brand | TOZLU |
| Model Number | usb disco light |
| Color | Colorful (RGBW) |
| Shape | Sphere |
| Material | Plastic |
| Light Source Type | Light Emitting Diode (LED) |
| Power Source | USB Powered (5 Volts) |
| Light Source Wattage | 4 Watts |
| Number of Light Sources | 4 |
| Product Dimensions (L x W x H) | 1.7" x 1.7" x 1.7" (approx. 4.5 x 4.5 x 4.5 cm) |
| Item Weight | 2.89 ounces |
| Item Package Quantity | 4 |
8. Warranty and Support
For warranty information and customer support, please refer to the product packaging or contact the manufacturer, TOZLU, directly. Specific warranty terms and support contact details are not provided within this manual.