ASTI LectroFan Micro2 Plus Sleep Sound Machine
OVERVIEW
- Microphone
- Previous Track / Sound
- Volume Down/Up
- Play / Pause, Answer / Hang Up / Redial
- Next Track / Sound
- Indicator Lamp
- Charging Port
- Power Switch (left–right):
Charge Your Micro2 Before First Use
Connect the Micro2 to a USB power source using the supplied cable. The indicator lamp will glow red, then change to green when fully charged. A power adapter for any smart-phone or a PC USB jack can be used to charge your Micro2.
Tip: to conserve battery power, always place the slider in the OFF position when not in use.
- /SoundOfSleep
- hello@soundofsleep.com
- @SoundofSleepOfficial
Sound Masking:
- Slide switch to
- Select sound
Sounds, Sonores, Klangs, Suonos
White Noises: Super Dark Brown Noise (#1),
Darker Brown Noise (#2), Darker Pink Noise (#3), Hot Pink Noise (#4), Fan Sounds: Large Fan (#5), Industrial Fan (#6), Mellow Fan Low (#7), Attic Fan (#8), Vent Fan (#9), Ocean Sounds: Ocean (#10), Surf (#11)
Bluetooth Audio
- Slide switch to the left
- Select Lectro Fan MICRO2 from your Bluetooth device. If it doesn’t appear, make sure it is not connected to another phone and is within range.
Tip: only one Bluetooth device can be connected at a time. 
Answering Calls
- When your Micro2 is connected to a smartphone, press to answer the call, and again to
end the call. - Double-press to redial the last dialed number.
To Pair 2 Micro2+’s together for stereo listening go to: https://www.soundofsleep.com/stereo/
Specifications
- Power: 5V, 1A USB-A
- Audio Output: < = 3W
- Bluetooth Range: Up to 50 feet/15 meters Lithium-ion
- Battery Capacity: 1200 mAh
- Battery Run Time (at typical volumes):
- Bluetooth Audio: Up to 20 hours White Noise/Fan/Ocean
- Sounds: Up to 24 hours
- Battery Charge Time: 2 ½ hours
FCC WARNING
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
- This device may not cause harmful interference, and
- This device must accept any interference received, including interference that may cause undesired operation.
Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
2025 Adaptive Sound Technologies, Inc. All Rights Reserved. Lectro Fan, Lectro Fan Micro2, Adaptive Sound Technologies, the Sound of Sleep logo and the ASTI logo are trademarks or registered trademarks of Adaptive Sound Technologies, Inc. All other marks, including Bluetooth®, are registered trademarks of their respective owners.
Warranty
Warranty and Licensing Information:
Frequently Asked Questions
- Q: How do I know when my Micro2 is fully charged?
A: The indicator lamp will change from red to green when the Micro2 is fully charged. - Q: Can I pair multiple Micro2 devices for stereo listening?
A: Yes, you can pair two Micro2 devices together for stereo listening by visiting https://www.soundofsleep.com/stereo/ for instructions. - Q: What is the range of the Bluetooth connection?
A: The Bluetooth range of the Micro2 is up to 50 feet or 15 meters.
Documents / Resources
 | ASTI LectroFan Micro2 Plus Sleep Sound Machine [pdf] User Guide Micro2, LectroFan Micro2 Plus Sleep Sound Machine, LectroFan Micro2 Plus, Sleep Sound Machine, Sound Machine |