| Frequency Range: | 20Hz-20kHz |
|---|---|
| Frequency: | 20Hz-20kHz |
| Application: | Conference Center |
| Shielding Distance: | 0.5-2m |
| Angle: | 90 Degrees |
| Opening Mode: | Key Switch |
| Samples: |
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Suppliers with verified business licenses
Audited Supplier The handheld recording and shielding device is the latest minimum recording and shielding device introduced by our company. The product is small in size, easy to carry and concealed. At the beginning of product development, we listened to the opinions of customers.
The small size, no sound, easy to carry and hide are all realized in this product, and the confidentiality of voice information is realized in silent and without interest!
| Item | performance parameter | |
| Shielding type | Mobile phones, recording pens and other sound acquisition devices | |
| Shielding radius | Around 1.2m | |
| Function angle | >90degrees | |
| size | 120*40*50mm | |
| weight | 200g | |
| ambient temperature | -40ºC~55ºC | |
| relative humidity | 35~85% | |
| Battery capacity | 1000mah/5v | |
| Charging input | AC 100V~240V | |
| Packing instructions | Protective box | |
Leadership office, combat room, confidential meeting room, office, negotiation room and other places to prevent illegal recording.
Suppliers with verified business licenses
Audited Supplier 
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