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Audited Supplier This recording jammer is a new high-tech product developed on the basis of extensive market research and customer needs. This product is the entry-level product of our company's recording muffler series. Its advantage is that it is affordable and the effect is far better than the same type of products on the market. The shape of the power bank recording shield is the same as the commonly used power bank. It is a product that will not be noticed when using it, and it has good concealment. The power bank recording jammer has 7 ultrasonic transmitting terminals, so as to covertly ensure that the content of your conversation is not leaked. It is suitable for flexible scenes such as coffee shops, tea rooms, negotiation rooms, and offices.
1. Good concealment: The appearance adopts the style of power bank, which can have a good concealment effect.
2. Good portability: The product has a built-in lithium battery, which can work for about 5-6 hours after charging.
3. Open method: remote open, remote controllable.
4. Wider coverage of equipment: For all kinds of mainstream recording equipment at present, the power bank type recording shielding device can shield, and its coverage rate can reach more than 95%, which is much higher than similar products on the market.
| Item | performance parameter |
| Blocking type | Mobile phone, recorder and other sound acquisition equipment |
| Blocking distance | 0.5-1.5m |
| Action angle | 120-150 degrees |
| Opening mode | Remote control on |
| Product size | 160*80*23 |
| weight | <1kg |
| ambient temperature | -40ºC~55ºC |
| relative humidity | 35~85% |
| Power consumption | 4.8W |
| battery | 5V 1800mha |
Place of application:
Bluetooth speaker recording shield is a new product of recording shield series, which is widely used in conference room, office, negotiation room and other scenes to prevent illegal recording.
Suppliers with verified business licenses
Audited Supplier 
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