Aqara Vibration Sensor. Detects...
Connect USB peripheral devices anywhere on a Local Area Network (LAN) without a locally-attached host computer
Digi AnywhereUSB 2
The 28-port Manhattan MondoHub II turns one USB-A port on your computer into 28.
HP USB External DVDRW Drive.
The UC232A series USB-to-RS232 serial port converter is the ideal accessory for laptop and desktop computers that do not have a COM or DB9 serial port.