Sound Amplifier Wall Listening Amplifier Wall Listening Device Listening Wiretap Device High Accuracy Sound Amplifier Wall Listening Device With Earphone

• Complete Function: With charging hole, earphone hole and upward switch knob. Humanized design, more practical and convenient.
• High Quality Material: Ear amplifier is made of high quality ABS material, high strength, wear resistant, sturdy and durable.
• High Sensitivity: listening wiretap device has high sensitivity, clear , and you can use the earphone to improve quality.
• Easy Operation: Sound amplifier can be used anywhere, even indoors or in buildings, and has a built‑in lithium battery, easy to operate and carry.
• Application: ear listening device can be used for pipeline side leakage, floor heating detection, water body exploration.Package List: 1 xAudio Listening Wiretap Device 1 x Earphone 1 x USB Cable

Feature: 1. High Quality Material: Ear amplifier is made of high quality ABS material, high strength, wear resistant, sturdy and durable. 2. High Sensitivity: listening wiretap device has high sensitivity, clear , and you can use the earphone to improve quality. 3. Complete Function: With charging hole, earphone hole and upward switch knob. Humanized design, more practical and convenient. 4. Easy Operation: Sound amplifier can be used anywhere, even indoors or in buildings, and has a built‑in lithium battery, easy to operate and carry. 5. Application: ear listening device can be used for pipeline side leakage, floor heating detection, water body exploration. Specification: Item Type: ListeningWiretapDevice Material: ABS Battery: 3.7V lithium battery 150mah (built-in battery) USB Charging: 5V How to Use: 1.Clockwiseturnthemasterswitchtostartthedevice. 2.Adjustthevolumeuntilyouhearthesoundclearly. Package List: 1 xAudio Listening Wiretap Device 1 x Earphone 1 x USB Cable