Sound Amplifier, Enhanced Microphone Audio Ear Listening Device Amplifier Through Wall/Door Voice Tool

Key features

• 💬WIDE SCOPE OF APPLICATION: Personal sound amplifier can be used for pipeline side leakage/floor heating detection/water body exploration. It is suitable for various pipeline materials and ground, pipelines, etc.
• 💬SENSITIVE SOUND SENSITIVITY: The high-sensitivity metal alignment with headphones improves the sensitivity and sound quality.More convenient use experience.
• 💬SUPERB AND POWERFUL FUNCTIONS: Compact and complete function, with charging hole, earphone hole and upward switch knob.Humanized design, easy to use and adjust.
• 💬EASY TO OPERATE: Sound can be made from wooden/coaxial, windows, doors or armor plates.Has good compatibility.
• 💬IT HAS EXCELLENT SOUND CLARITY: Listening device can be used anywhere, even indoors or in buildings, and has a built-in lithium battery, which is easy to operate and carry.