We have the highest value privacy and security combo pack on the market! This 4 pack includes a webcam cover, 3.5 microphone blocker, USB data blocker and 2 clip Cable Quack. The items are perfect for laptops, desktops, tablets, phones and more. The 3.5 mic block plugs into your audio jack port, making your device think there is an external mic, blocking all potential eavesdroppers. The USB data blocker protects your data while charging your device.