The Logitech G203 Prodigy mouse enumerates at 046D:C084 and uses HID feature reports. It does not look like this mouse supports any save-to-device functionality, as it always defaults to the cycling mode.

image

Off:                     11 ff 0e 3c 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

Fixed Red:               11 ff 0e 3c 00 01 ff 00 00 02 00 00 00 00 00 00 00 00 00 00

Fixed Green:             11 ff 0e 3c 00 01 00 ff 00 02 00 00 00 00 00 00 00 00 00 00

Fixed Blue:              11 ff 0e 3c 00 01 00 00 ff 02 00 00 00 00 00 00 00 00 00 00

Cycle (Default):         11 ff 0e 3c 00 02 00 00 00 00 00 13 88 64 00 00 00 00 00 00

Cycle (Slowest):         11 ff 0e 3c 00 02 00 00 00 00 00 4e 20 64 00 00 00 00 00 00

Cycle (Fastest):         11 ff 0e 3c 00 02 00 00 00 00 00 03 e8 64 00 00 00 00 00 00

Cycle (1% Bright):       11 ff 0e 3c 00 02 00 00 00 00 00 4e 20 01 00 00 00 00 00 00

Breathing Red (Slowest): 11 ff 0e 3c 00 03 ff 00 00 4e 20 00 64 00 00 00 00 00 00 00

Packet structure

Byte Index Description
0x00 0x11
0x01 0xFF
0x02 0x0E
0x03 0x3C
0x04 0x00
0x05 Mode
0x06 Red
0x07 Green
0x08 Blue
0x09
0x0A
0x0B
0x0C
0x0D
0x0E
0x0F
0x10
0x11
0x12
0x13

Direct control

Byte Index Description
0x00 0x11
0x01 0xFF
0x02 0x0E
0x03 0x3A
0x04 0x00
0x05 0x01
0x06 Red
0x07 Green
0x08 Blue
0x09 0x02
0x0A
0x0B
0x0C
0x0D
0x0E
0x0F
0x10
0x11
0x12
0x13