BS-99Pro 56 Sine Wave Covert Tissue Box Audio Protection Device, 360 Degrees Ultrasonic Voice Recorder Blocker, US Plug

1. Coverage Angle: 360 degrees (4 sides) 2. Jamming Range: Approx. 8 meters 3. Battery Capacity: 13,000mAh 4. Battery Life: Approx. 2.5 hours (supports plug-in operation) 5. Material: ABS + Fabric 6. Packing List: Anti-recording jammer, remote control (includes button cell battery), power adapter, user manual 7. Net Weight: Approx. 1,300g 8. Dimensions: Approx. 21 x 13cm Features: 1. High-Density Concealed Design: Styled as a tissue box that holds actual tissues, it offers excellent camouflage for meeting rooms, offices, or tea rooms, avoiding awkward situations. 2. Omnidirectional Wide-Angle Coverage: Features 84 built-in signal emission terminals, delivering powerful 360-degree coverage across four sides with an effective jamming radius of approximately 8 meters. 3. Sine Wave Audio Shield (Irreversible): Utilizes sine wave audio shield suppression technology; the noise generated to jam the recording source is irreversible, effectively blocking professional audio equipment or software from recovering or processing the human voice. 4. Four Flexible Control Methods: Supports manual on-device buttons, an infrared remote control, a smart voice-activated switch (automatically activates when speech is detected; enters standby mode when silent), and wireless Bluetooth control via a mobile app/mini-program, facilitating networked management of multiple units. 5. High Capacity & Dual Power Modes: Built-in 13,000mAh battery provides approximately 2.5 hours of wireless operation; also supports continuous use via external power supply, meeting the needs of long-duration confidential meetings.