This is a security lock system using Bluetooth (4.0) made by iBuffalo. If your PC doesn't have Bluetooth 4.0, you can use the included dongle by inserting it into a USB port. It's the size of a name tag, so you can keep it with your ID card, and it will automatically lock when you move away. It might also be effective in preventing peeking during work-from-home situations. The product number is BSBT4PT02SBK. Please consider it. #WorkFromHome #PC #Security #PreventPeeking