Device Descriptor Fields:				

bLength				0x12
bDescriptorType			0x01
bcdUSB				0x0110 (USB spec. 01.10)
bDeviceClass			0x09 (Hub)
bDeviceSubClass			0x00
bDeviceProtocol			0x00
bMaxPacketSize0			0x08
idVendor			0x045E (unknown)
idProduct			0x001C
bcdDevice			0x0500 (release 05.00)
iManufacturer			0x00
iProduct			0x00
iSerialNumber			0x00
bNumConfigurations		0x01 (1)
							
Configuration Descriptor, Index 0x00		

bLength				0x09
bDescriptorType			0x02
wTotalLength			0x0019 (25)
bNumInterfaces			0x01 (1)
bConfigurationValue		0x01
iConfiguration			0x00
bmAttributes			0xA0 (bus powered - remote wakeup)
MaxPower			0x20 (64 mA)
							
Interface Descriptor (Number 0x00, Alternate Setting 0x00) 

bLength				0x09
bDescriptorType			0x04
bInterfaceNumber		0x00
bAlternateSetting		0x00
bNumEndpoints			0x01
bInterfaceClass			0x09 (USB specified device class)
bInterfaceSubClass		0x00
bInterfaceProtocol		0x00 (not vendor or class specific)
iInterface			0x00
							
Endpoint Descriptor 0x81				

bLength				0x07
bDescriptorType			0x05
bEndpointAddress		0x81 (ep #1, IN)
bmAttributes			0x03 (Transfer Type : Interrupt)
wMaxPacketSize			0x0001
bInterval			0xFF (255 milliseconds)