Feather:
This simple and powerful professional listening device can help you hear conversations through walls and other barriers. Strong penetrability and high sensitive let you hear the sound from the next room fully. This audio gadget works by amplifying the vibrations of audio. When people are talking in a room their voices are simply a waveband, and depending on how loud they are talking, the waveband travels short and long distances which are picked up and amplified by this device. The sensor on this audio gadget senses the vibrations hitting the walls, ceiling and floor and amplifies them so that you can listen to what being said. If the waveband is low, meaning people talking in a lower note, then you can use the dial located at the back of this cool audio gadget to adjust the volume and increase the sensors amplification.

•Function:A partition which can help you hear conversations through walls and other barriers
•Main features:
- Strong penetrability and high sensitive,let you hear the sound from the next room fully
- Signal receiving by sonde only
- With a little black box,easy to be collect
- With build-in rechargable li-battery
•Apply to:
- Business monitor
- Intelligence forensics
•On-board Buttons/Slots:
- 3.5mm Earphone Jack
- ON/OFF Switch Button with volume Dial
- The charger USB hole
•Operation:
- the end of the sonde must be closed to wall
- turn on the device,and adjust the volume and the Shift still hear the voice most clearly
•Highly Sensitive, carefully adjust audio slowly, as not to cause discomfort to your ear-buds
•Battery type: 3.7V lithium-battery
•Penetrability: Cement wall, Steel wall, wooden wall, iron wall, glass and air brick
•Listening Devices: Headphones
•Materials: Metal case with Internal Sound Amplifier
•After Sales Service: 1 Year Warranty

Primary Function: Audio Spy Listening Device
Materials: Molded Plastic with Internal Sound Amplifier
Color: Silver
Onboard Buttons/Slots:
- 3.5mm Earphone Jack
- USB IN
- Sensor
- ON/OFF Switch Button with volume Dial
Power: Built In Rechargeable Battery
Dimensions: L:43 x Diameter:36 (mm)

Product Notes:
Works on walls, doors, windows, steel plates, etc.
Highly Sensitive, carefully adjust audio slowly, as not to cause discomfort to your ear-buds .

1 * Spy Listening Device

1 * Earphones

1 * USB Cable

1 * Power Charger (110-220v)

1 * Instruction Manual - English

If you received an incorrect, damaged, defective, or item not as described,/full refund or replacement on our cost.
We are happy to help you with refund or exchange within 3 days of product receipt provided that all origina packaging and accessories are in condition. Return shipping cost is to be paid by the Buyer.
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Customers are responsible for shipping charges on any returned items. It may take up to 7 business days to process your return after we receive your product.