The Electret Microphone is a highly sensitive audio sensor, perfect for sound detection and amplification applications in electronics. This compact microphone is commonly used in audio sensing, voice recognition, sound-activated projects, and communication systems. With its excellent sensitivity to sound, it allows for high-quality audio input, making it a popular choice for DIY enthusiasts and engineers in Bangladesh. Whether you're building a sound-activated switch, an audio-based project, or a communication system, the Electret Microphone ensures precise sound detection and clear audio input for all your electronic creations.