剛買(mǎi)的31993，測(cè)出來(lái)是這個(gè)。。。

感覺(jué)是中招了，準(zhǔn)備退貨

Device Name: /dev/bus/usb/001/002

Device Class: Use class information in the Interface Descriptors (0x0)

Vendor ID: 31(0x1f)

Manufacturer Name: Generic

Product Name: WJK USB Audio

Product ID: 2849(0xb21)

Serial Number: 20210726905926

Device Protocol: 0

Device Version: 1.00

Interface #0

Class: Audio Device (0x1)

n/a

Interface #1

Class: Audio Device (0x1)

n/a

Interface #2

Class: Audio Device (0x1)

Endpoint #0

Address: 0x3(11)

Number: 3

Direction: Outbound (0x0)

Type: Isochronous (0x1)

Poll Interval: 1

Max Packet Size: 384

Attributes: 0x9(1001)

Interface #3

Class: Audio Device (0x1)

n/a

Interface #4

Class: Audio Device (0x1)

Endpoint #0

Address: 0x83(10000011)

Number: 3

Direction: Inbound (0x80)

Type: Isochronous (0x1)

Poll Interval: 1

Max Packet Size: 208

Attributes: 0x5(101)

Interface #5

Class: Human Interaction Device (0x3)

Endpoint #0

Address: 0x82(10000010)

Number: 2

Direction: Inbound (0x80)

Type: Intrrupt (0x3)

Poll Interval: 1

Max Packet Size: 16

Attributes: 0x3(11)