explain me about how usb communication work. packets. frames. pipes. headers

Hello. i have sniffed usb communication to a some device. got such result : packet to usb device : 00 00 00 00 01 00 00 00 06 00 03 00 03 00 00 00 00 00 00 00 02 00 00 00 01 00 00 00 1F 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 53 42 43 A0 F8 33 70 24 00 00 00 80 00 06 12 00 00 00 24 00 00 00 00 00 00 00 00 00 00 00 reply from usb device : 00 03 00 00 00 06 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1F 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 packet to device : 00 00 00 00 01 00 00 00 07 00 03 00 03 00 00 00 01 00 00 00 01 00 00 00 00 00 00 00 24 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 reply from usb device : 00 03 00 00 00 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 24 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00 00 00 55 53 42 20 20 20 20 20 44 6F 6E 67 6C 65 20 33 32 20 20 20 20 20 20 20 31 2E 30 30 as i understand here contain number of request, it lenght, data etc. i see here something like header 49 bytes i need someone explain me about it if you good in this