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BS-991 Ultrasonic Audio Recording Jammer Tissue Box with 66 Emitters and 360° Coverage
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SKU:
- BS-991
- Free worldwide shipping, shipped within 3 days ( Configure the jammer ), delivered within 12 days
- 1 year warranty
- SSL encryption, website privacy
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No Hidden Fees – What You See Is What You Pay
Under current U.S. tariff policies, there are no extra charges added to your order for this product—unless specifically noted otherwise for certain Large desktop signal Jammers. The price you see already includes all taxes and fees, so you can shop with confidence.
Frequency and power plug are configured according to your regional standards.
The BS-991 is a discreet ultrasonic anti-recording jammer device designed to help reduce unauthorized audio capture in sensitive environments. Hidden inside a realistic tissue box design, it blends naturally into offices, conference rooms, vehicles, and private spaces without drawing attention.
Equipped with 66 ultrasonic emitters, the BS-991 delivers wide-area 360° interference against smartphones, voice recorders, hidden microphones, recording pens, and other digital audio recording devices.
Key Features:
- Anti-phone recording interference
- Blocks digital voice recorders and hidden microphones
- Reduces audio capture from video recording devices
- 66 high-density ultrasonic emitters
- 360° multi-directional coverage
- Effective range: 2–8 meters
- Smart voice detection system
- Remote control support
- Automatic voice-activated operation
- Discreet tissue box appearance
- Compatible with iOS, Android, and HarmonyOS devices
Intelligent Ultrasonic Protection
The BS-991 uses ultrasonic interference technology to disrupt audio recording quality in real time. Its high-density emitter array creates stronger and broader coverage while maintaining a compact, low-profile design.
The integrated smart detection system automatically enters standby mode in silent environments and reactivates when voices are detected, helping extend operating time and improve efficiency.
Suitable Environments
- Meeting rooms
- Executive offices
- Business negotiations
- Vehicles
- Private lounges
- Residential spaces
Extra Info
Operating Voltage: 12.6V
Weight: 420 g
Dimensions: 180 × 122 × 104 mm
Alarm Function: None
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