Usb Vid214b Amppid7250 Amprev0100 New Info
The AMPR specification includes guidelines for device design, driver development, and testing. It also defines the requirements for audio and multimedia data transmission over USB, including the formats, protocols, and data transfer rates.
If this device is not working properly (e.g., you cannot read an SD card), follow these steps. usb vid214b amppid7250 amprev0100 new