
In an era where everything is digitally connected, protecting private information has become more important than ever - particularly in places where illicit audio capture could create serious vulnerabilities. The Ultrasonic Car Air Purifier Audio Jammer offers an advanced, reliable way to shield your conversations by disrupting smartphone recording functions. Featuring state-of-the-art engineering and defense-level technology, this device is an essential tool for organizations, public-sector institutions, and anyone who values secure, confidential communication.

This device is intended for use inside a vehicle. Placing this "air purifier" between car seats creates a localized ultrasonic barrier that interferes with nearby microphones without attracting attention.
It is optimized to interfere with microphones in phones, mini voice recorders, secret audio bugs and other compact devices located in the same row across the car interior. This anti-eavesdropping technology is exclusively designed for vehicles and is only suitable for the interior environment of the car.
While highly effective against common consumer microphones, results may vary depending on device type and the sophistication of newer audio-processing systems.



| Product Model | U-CAP-25 | U-CAP-15 | U-CAP-20 | U-CAP-10 |
| Style | Vehicle air purifier | Car Air Freshener | Vehicle air purifier | Car Air Freshener |
| Control | On-device buttons / Mobile App* | On-device buttons / Mobile App* | On-device buttons / Mobile App* | On-device buttons / Mobile App* |
| Recommended use space / Interference distance | One row across the car interior | One row across the car interior | One row across the car interior | One row across the car interior |
| Interference Angle | 360 ° | 360 ° | 360 ° | 360 ° |
| Type of the Interference | Ultrasound (noiseless) | Ultrasound (noiseless) | Ultrasound (noiseless) | Ultrasound (noiseless) |
| Number of Ultrasonic Speakers | 24 | 24 | 16 | 16 |
| Operation Power | 6.5 W | 6 W | 5.5 W | 5 W |
| Power input: | DC 5V / 2A | DC 5V / 2A | DC 5V / 2A | DC 5V / 2A |
| Power interface | Type-C | Type-C | Type-C | Type-C |
| Product Dimensions: | 74 × 207 mm | 74 × 197 mm | 74 × 192 mm | 74 × 183 mm |
| Additional Function | with Negative Ion Release Function | can be put inside the aromatherapy as an air freshener, size need small in diameter 68×100mm | with Negative Ion Release Function | can be put inside the aromatherapy as an air freshener, size need small in diameter 68×100mm |
Regulations regarding recording interference and anti-surveillance tools differ by region. Always review local laws, obtain consent where required, and ensure the device is used only in lawful ways. This material is provided for general information and does not replace legal advice.
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