1. High speed call. Does not occupy USB keyboard and mouse data bandwidth 2. Ultra high response speed. 1000 calls per second without pressure. 3. Real time controllable hardware. Meet strict timing requirements for applications. 4. Strong stability. No downtime. Do not restart. 5. No need to adapt keyboard and mouse. Strong universality. 6. Support software calls. Provide source code. C++/Python/E, etc 7. It can monitor the physical keyboard and mouse status. No need to call system APIs. 8. Built in hardware curve correction. Avoiding keyboard and mouse data anomalies The Device side supports modifying all USB parameters and network updates. Everyone has different eigenvalues, which realized true one person one firmware mode. Friendly UI mode. It's easy to see where the problem is. Super simple operation. Supports all functions of the B board except for onboard scripts. Support monitoring of physical keyboard and mouse. Block physical keyboard and mouse functions. Easy to write software. Cable color, controller shell is random, don't accept the specified, internal does not affect use Colour:transparent Material:plastic Package Contents: 1 x controller 2 x Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.