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

Features:
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