Introduction
The LectroFan Micro 2 is a versatile, compact device designed to enhance your sleep, focus, and relaxation. It functions as both a portable white noise sound machine and a Bluetooth speaker, offering 11 unique non-looping sounds and wireless audio streaming capabilities. Its small size and long-lasting battery make it ideal for use at home or while traveling.
What's in the Box
- LectroFan Micro 2 Device
- USB-C Charging Cable
- User Manual

Image: The LectroFan Micro 2 device shown with its included USB-C charging cable.
Setup
- Charging the Device: Before first use, fully charge your LectroFan Micro 2 using the included USB-C cable. Connect the small end of the USB-C cable to the charging port on the device and the other end to a compatible USB power source (e.g., wall adapter, computer USB port). The LED indicator will show charging status.
- Powering On/Off: Press and hold the power button (usually marked with a circle and a vertical line) until the LED light turns on (for power on) or turns off (for power off).
Video: This video demonstrates the unboxing and initial setup, including charging and powering on the LectroFan Micro 2.
Operating Instructions
1. White Noise Machine Mode
- Activate Sound Machine: Ensure the device is powered on. Slide the switch on the side to the 'ZZZ' position to activate the sound machine mode.
- Select Sound: Press the 'Sound' button (often marked with a footprint or wave icon) to cycle through the 11 available non-looping sounds. These include various fan sounds, white noise, pink noise, brown noise, and ocean sounds.
- Adjust Volume: Use the '+' and '-' buttons to increase or decrease the volume. The device offers precise volume control in 1 dB increments.
- Directional Sound: The top speaker portion of the device can be swiveled to direct the sound in a specific direction.

Image: Illustration highlighting the 11 non-looping sound options available on the LectroFan Micro 2.
2. Bluetooth Speaker Mode
- Activate Bluetooth: Slide the switch on the side to the 'Bluetooth' icon position. The LED indicator will flash blue, indicating it's in pairing mode.
- Pairing: On your smartphone or other Bluetooth-enabled device, search for 'LectroFan Micro 2' in the Bluetooth settings and select it to pair. The LED will turn solid blue once connected.
- Play Audio: Once paired, you can stream music, podcasts, or audiobooks from your device. Use the play/pause, next/previous track, and volume buttons on the LectroFan Micro 2 or your connected device to control playback.
- Answer Calls: The LectroFan Micro 2 has a built-in microphone. When connected via Bluetooth, you can answer phone calls by pressing the phone button on the device.
- Stereo Pairing: Two LectroFan Micro 2 devices can be paired together for stereo audio. Refer to the full user manual for detailed instructions on stereo pairing.

Image: Two LectroFan Micro 2 units demonstrating stereo pairing capability, with a smartphone displaying music playback.
Video: This video provides a review of the LectroFan Micro 2, demonstrating its non-looping sound machine and stereo Bluetooth speaker functions.
Features
- 11 Non-Looping Sounds: Includes various fan sounds, white noise, pink noise, brown noise, and ocean sounds for continuous, natural soundscapes.
- Compact & Portable: Measures approximately 2" x 2" and weighs 3.6 ounces, making it highly portable for travel.
- Long Battery Life: Provides up to 40 hours of sound machine use or 20 hours of Bluetooth speaker use per charge.
- Bluetooth Connectivity: Seamlessly stream audio from your devices and use the built-in microphone for calls.
- Stereo Pairing: Connect two Micro 2 units for an immersive stereo sound experience.
- Directional Speaker: Swivel the speaker top to direct sound as needed.

Image: The LectroFan Micro 2 showcasing its portable, lightweight, and compact design, ideal for travel and home use.
Safety Information
- Do not immerse the device in water or any other liquids.
- Keep out of reach of children.
- Avoid exposing the device to high temperatures or direct sunlight for extended periods.
- Use only the provided USB-C cable for charging.
Maintenance
- Clean the device with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Store the device in a cool, dry place when not in use.
Troubleshooting
- Device not turning on: Ensure the device is fully charged. Connect it to a power source using the USB-C cable and try again.
- No sound in sound machine mode: Check the volume level using the '+' button. Ensure the mode switch is set to 'ZZZ'.
- Bluetooth not pairing: Ensure the device is in Bluetooth mode (blue LED flashing). Make sure your external device's Bluetooth is enabled and within range. Try restarting both devices.
- Poor sound quality: Ensure the device is fully charged. If using Bluetooth, ensure your connected device is within optimal range and there are no obstructions.
Specifications
| Feature | Specification |
|---|---|
| Product Dimensions | 1.97 x 1.97 x 2.09 inches |
| Item Weight | 3.6 ounces |
| Model Number | ASM1021-K |
| Batteries | 1 LR44 battery required (included) |
| Power Source | Battery Powered |
| Material | Metal, Plastic |
Warranty and Support
For warranty information, technical support, or further assistance, please visit the official LectroFan website or contact customer service through your retailer. Keep your proof of purchase for warranty claims.







