Sound Amplifier Wall Listening Device Audio Listening Wiretap Device Audio Ear Listening Sound Monitor Through Wall/Door

OverviewFeatures: High Sensitivity: This new wall listeing device has a high sound sensitivity, equipped with headphones, improving the sound quality. Wide Application: Can be used for wooden walls, doors, windows, steel plates, floor, pipeline, etc. Simple Operation: Easy to use, just close to doors, windows or walls, and listen to all sounds easily in one step. You can adjust the volume slowly, until you hear a clear sound, and won't cause discomfort to your ear. Compact and Powerful: It can be used anywhere, and has a built-in lithium battery, convenient to use and carry. Specifications: Item Type: Ear Listening Device Material: ABS Color: As Pictures Shown Built-in Battery Capacity: 180MAH Package weight: 45g Package size: 8 x 6 x 3cm Package includes: 1 x Ear Listening Device 1 x Earphone 1 x USB Cable