The all-metal design ensures excellent electromagnetic compatibility (EMC) shielding. The upper and lower parts of the housing are screwed together with the provided screws. It is the ideal listening protection. Many smartphones and tablets can be monitored even when switched off, and their cameras can be activated. Such attacks can cause significant damage, especially in the business world. Therefore, during conferences, meetings, and other confidential matters, you should keep your mobile phone in this secure box. The housing can effectively protect your mobile phone from eavesdropping attacks. Mobile, telephone, Wi-Fi, Bluetooth, and GPS signals are reliably blocked thanks to the EMI/EMC/RFI shielding. Photo, video, and microphone functions cannot be activated without your intervention.