Feature:
1. Sound Sensitivity: Align with the high sensitivity metal of the earphone to improve sensitivity and sound quality. More convenient use experience.
2. Powerful Function: The function is compact and complete, with charging hole, earphone hole and up switch knob. Humanized design, easy to use and adjust.
3. Excellent Sound Clarity: It can be used anywhere, even indoors or in buildings, and has a built in lithium battery, which is easy to operate and carry.
4. Easy to Operate: The sound can be made of wood coaxial, window, door or armor plate. Has good compatibility.
5. Wide Application Range: It can be used for pipeline side leakage/floor heating detection/water body detection. Suitable for all kinds of pipeline materials, ground, pipelines, etc.

How to Use:
Take out the product and use it

Specification:

Item Type: Sound Amplifier
Material: ABS
Colour: Black
Battery: Lithium Battery (Included)
Battery Capacity: 200mA
Parameters: Widely Used Sound Reinforcement Device, Suitable for Various Positions

Package List:
1 x Sound Amplifier
1 x Headphone
1 x Micro SUB Power Supply Line