High Sensitive Inspector Gadget Audio Listening Device - Wall Detection Monitor Audio Spy Surveillance Bug Highlights: Easy to utilize! Little and Compact Design - easy to carry! High Sensitivity and Strong Penetrablity 3.5 mm Earphone Jack Built-in Rechargeable 3.7 V lithium Battery Manufacturer Specifications: Primary Function: Wall Detection Listening Device Buttons/Slots: - ON/OFF switch button with volume dial - 3.5 mm earphone jack - USB port (for charging) Listening Device: earphones Power Source: 3.7 V lithium battery Penetrability: cement wall, steel wall, wooden wall, iron wall, glass and air brick Materials: metal case with built-in sound amplifier Dimensions: 43 (L) x 36 (Diameter) mm
Easy to use! Small and Compact Design - easy to carry!
High Sensitivity and Strong Penetrablity
3.5mm Earphone Jack
Built-in Rechargeable 3.7V lithium Battery
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