At first glance, most people would never realize the B48 is actually a professional hidden audio jammers. That’s exactly what makes it different.
Designed with a low-profile tissue box appearance, the B48 blends naturally into conference rooms, executive offices, vehicles, negotiation spaces, and private meeting environments without attracting unnecessary attention. Unlike traditional anti recording blocker device, this compact anti-recording device delivers practical meeting protection while maintaining a clean and professional look.
The B48 uses intelligent acoustic interference technology to help reduce the risk of unauthorized recordings from smartphones, portable voice recorders, and hidden microphones. By generating localized audio interference, the device helps weaken nearby recording attempts (Indoor conversations are normal).
One of the standout features of this conference room privacy device is its built-in voice activation system. When no speech is detected, the jamming device automatically pauses operation to help conserve battery power. Once conversation resumes, interference automatically reactivates, making the system more energy-efficient during long meetings or extended office use.
For added flexibility, the B48 includes both manual and remote-control operation. Users can easily switch between active and standby modes without interrupting the meeting, allowing discreet remote management at any time.
The built-in 2600mAh rechargeable battery supports approximately 2.5 hours of portable operation, and the device can also continue working while charging, making it suitable for extended conferences and all-day office environments.
Furthermore, the power control is very simple and easy to use:
- Press and hold the power button for 2 seconds to turn the device on
- The system starts in High Power Mode by default
- Hold the button again for 2 seconds to power off
The battery indicator briefly displays remaining power during startup. When battery levels become low, the indicator flashes automatically as a reminder to recharge.
The B48 also features adjustable power settings for different environments:
- Low Power Mode works well in compact spaces such as vehicles or small offices
- High Power Mode is ideal for larger conference rooms and open office areas
Technical Specifications box audio bugs jammer:
| Specifications | |
|---|---|
| Product Name | B48 hidden anti listening device |
| Coverage Range | Approx. 2–6 meters |
| Interference Coverage | 360° |
| Operating Modes | High Power / Low Power |
| Operating Time | Approx. 2.5 Hours |
| Charging Time | Approx. 3.5 Hours |
| Battery Capacity | 2600mAh Rechargeable Battery |
| Control Methods | Manual, Remote Control, Voice Activation |
| Charging Input | 16.8V / 1A |
| Housing Material | ABS |
| Dimensions | 108 × 95 × 125 mm |
Of course, if you need to block cell phone or Wi-Fi signals, you can also check out our store.
