2-in-1 Power Bank | 12 Ultrasonic Transducers Anti-Spy Voice Recording Blocker
✅ 12 CUSTOM ULTRASONIC TRANSDUCERS: 3 working surfaces (4 transducers each) for 270 ° coverage — blocks 95% of digital/analog recording devices. 2‑in ‑ 1 Power Bank Voice Recording Blocker | 12 Ultrasonic Transducers Anti ‑ Spy Voice Recorder Blocker (1.5 ‑ 2M Range) – Black Aluminum Alloy.
