I saw the HID device yesterday too after looking around. Here's what I got with USB Mon...
Vendor: 0x06e1 (ads technologies, inc.)
product id: 0xa155
manufacturer: 0x0409: ads tech
I attached a few seconds of the radio connected and then playing with the instantradio software, to the log file of the data package capture with usb mon. captured just the HID portion. hope this helps... cuz I have no clue about any of this. :) cheers...
Here's the full subtree copy/paste for the device :)
Code:USB Root Hub
Port1: USB Composite Device
Hub Power: Self Power
Number of Ports: 2
Power switching: None
Compound device: No
Over-current Protection: Individual
Device Descriptor
USB Version: 1.1
Device Class: (0) Reserved (defined in Interface Descriptor)
Device Subclass: 0
Device Protocol: 0
Max Packet Size: 0x40 (64) bytes
Vendor: 0x06e1 (ADS Technologies, Inc.)
Product ID: 0xa155
Product Version: 0x0100
Manufacturer: 1
0x0409: ADS TECH
Product: 2
0x0409: ADS InstantFM Music
SerialNumber: 0
Number of Configurations: 1
Connection Status: Device Connected
Current Configuration: 1
Device Bus Speed: Full
Device Address: 0x02
Number of Open Pipes: 2
Configuration Descriptor (1)
Total Length: 145 bytes
Number of Interfaces: 3
Configuration Value: 1
Configuration: 0
Attributes: 0x80
Bus Powered
Max Power: 0x32 (100 Ma)
Interface Descriptor (0)
Interface Number: 0
Alternate Setting: 0x00
Number of Endpoints: 0x00
Interface Class: (1) Audio (Audio)
Interface Subclass: 1 (Audio Control)
Interface Protocol: 0
Interface: 0
Interface Descriptor (1)
Interface Number: 1
Alternate Setting: 0x00
Number of Endpoints: 0x00
Interface Class: (1) Audio (Audio)
Interface Subclass: 2 (Audio Streaming)
Interface Protocol: 0
Interface: 0
Interface Descriptor (1)
Interface Number: 1
Alternate Setting: 0x01
Number of Endpoints: 0x01
Interface Class: (1) Audio (Audio)
Interface Subclass: 2 (Audio Streaming)
Interface Protocol: 0
Interface: 0
Endpoint Descriptor (Addr: 0x83)
Endpoint Address: 0x83, Input
Transfer Type: Isochronous
Max Packet Size: 0x0200 (512) bytes
Interval: 0x0001
Sync Address: 0x00
Interface Descriptor (2)
Interface Number: 2
Alternate Setting: 0x00
Number of Endpoints: 0x02
Interface Class: (3) Human Interface (HID)
Interface Subclass: 0
Interface Protocol: 0
Interface: 0
HID Descriptor
HID Version: 0x0111
Country Code: 0x00 (0)
Number of Descriptors: 1
Type: 0x22, Length: 0x00cb bytes
Endpoint Descriptor (Addr: 0x81)
Endpoint Address: 0x81, Input
Transfer Type: Interrupt
Max Packet Size: 0x0040 (64) bytes
Interval: 0x0a
Endpoint Descriptor (Addr: 0x02)
Endpoint Address: 0x02, Output
Transfer Type: Interrupt
Max Packet Size: 0x0040 (64) bytes
Interval: 0x01

