DFRobot Fermion: I2S MEMS Microphone

Marsoni

M251S

$245.00

Get it in 3 business days with 1 day shipping. Friday, May 29

DFRobot Fermion: I2S MEMS MicrophoneThis digital I2S MEMS Microphone works well with microcontrollers with I2S audio outputs like ESP32. Compared with traditional analog ones, this microphone features low noise, high sensitivity & reliability, and other excellent performances, which make it applicable to projects like voice recognition, recording, AI learning, Bluetooth audio transmission, and so on. This module uses surface mount MEMS I2S microphone sensor with top port, no components

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A friend and influencer recommended this for my sensitive, dry skin that has rosacea. I expected my skin to feel more hydrated and see reduced redness. Neither happened. ☹️ To give a full review it is unscented which is great. But I didn’t feel or see any improvement. I used it twice a day for at least two weeks.

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Reviewed in the United States on August 8, 2025

Verified Purchase

patioelf

Dallas, US

★★★★★ 5

68 years old and this hydrated thoroughly.

I’m 68 and take very good care of my skin. I’m not sure why but this product gives me a nice ( and lasting) boost of hydration. I don’t go in the sun after 12 pm - I have fair cool skin with minimal wrinkles but some sagging. I think my skin leans towards dry although I’m always on top of it so it looks and feel hydrated.

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Reviewed in the United States on June 8, 2026

Verified Purchase

Renee

West Palm Beach, US

★★★★★ 5

Buy!! Worked well for my eczema

Love love love this product!! It’s AMAZING for my winter skin. The consistency is thick enough to deeply moisturize and keep my skin hydrated all day long. It made my skin super clear, smooth, and healthy-looking. It also really helped clear up my eczema, especially the eczema and dry patches on my face. My dry spots became so much smoother and less irritated after using this consistently. The jar lasted me a good while, which I loved since I use moisturizer constantly. There’s no fragrance, the application is super easy, and the consistency feels sooo nice on the skin. It absorbs really well and leaves my skin feeling soft and glowy. It honestly worked so well that I didn’t even need to use primer before my makeup anymore 😭 that’s how good this product is!! I will always repurchase, especially during the winter 💕

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Reviewed in the United States on May 26, 2026