$ mtp-detect
libmtp version: 1.0.2

Listing raw device(s)
Device 0 (VID=0bb4 and PID=685c) is UNKNOWN.
Please report this VID/PID and the device model to the libmtp development team
   Found 1 device(s):
   0bb4:685c @ bus 1, dev 43
Attempting to connect device(s)
PTP_ERROR_IO: Trying again after re-initializing USB interface
Error 2: PTP Layer error 02ff: get_all_metadata_fast(): could not get proplist of all objects.
Error 2: (Look this up in ptp.h for an explanation.)
Error 2: PTP Layer error 02ff: get_handles_recursively(): could not get object handles.
Error 2: (Look this up in ptp.h for an explanation.)
USB low-level info:
   Using kernel interface &quot;usbfs&quot;
   bcdUSB: 512
   bDeviceClass: 0
   bDeviceSubClass: 0
   bDeviceProtocol: 0
   idVendor: 0bb4
   idProduct: 685c
   IN endpoint maxpacket: 512 bytes
   OUT endpoint maxpacket: 512 bytes
   Raw device info:
      Bus location: 1
      Device number: 43
      Device entry info:
         Vendor: (null)
         Vendor id: 0x0bb4
         Product: (null)
         Vendor id: 0x685c
         Device flags: 0x00000000
Configuration 0, interface 0, altsetting 0:
   Interface description contains the string &quot;MTP&quot;
   Device recognized as MTP, no further probing.
Device info:
   Manufacturer: unknown
   Model: cm_tenderloin
   Device version: 1.0
   Serial number: 04bb35a30455e13214a1fb449cd225a7b6fbcc0c
   Vendor extension ID: 0x00000006
   Vendor extension description: microsoft.com: 1.0; android.com: 1.0;
   Detected object size: 64 bits
Supported operations:
   1001: get device info
   1002: Open session
   1003: Close session
   1004: Get storage IDs
   1005: Get storage info
   1006: Get number of objects
   1007: Get object handles
   1008: Get object info
   1009: Get object
   100a: Get thumbnail
   100b: Delete object
   100c: Send object info
   100d: Send object
   1014: Get device property description
   1015: Get device property value
   1016: Set device property value
   1017: Reset device property value
   101b: Get partial object
   9801: Get object properties supported
   9802: Get object property description
   9803: Get object property value
   9804: Set object property value
   9805: Get object property list
   9810: Get object references
   9811: Set object references
   95c1: Unknown (95c1)
   95c2: Unknown (95c2)
   95c3: Unknown (95c3)
   95c4: Unknown (95c4)
   95c5: Unknown (95c5)
Events supported:
   0x4002
   0x4003
   0x4004
   0x4005
Device Properties Supported:
   0xd401: Synchronization Partner
   0xd402: Friendly Device Name
   0x5003: Image Size
Playable File (Object) Types and Object Properties Supported:
   3000: Undefined Type
   3001: Association/Directory
   3004: Text
   3005: HTML
   3008: MS Wave
   3009: MP3
   300b: MPEG
   3801: JPEG
   3802: TIFF EP
   3807: GIF
   3808: JFIF
   380b: PNG
   380d: TIFF
   b901: WMA
   b902: OGG
   b903: AAC
   b982: MP4
   b983: MP2
   b984: 3GP
   ba05: Abstract Audio Video Playlist
   ba10: WPL Playlist
   ba11: M3U Playlist
   ba14: PLS Playlist
   ba82: XMLDocument
   b906: FLAC
Storage Devices:
   StorageID: 0x00010001
      StorageType: 0x0003 fixed RAM storage
      FilesystemType: 0x0002 generic hierarchical
      AccessCapability: 0x0000 read/write
      MaxCapacity: 27392163840
      FreeSpaceInBytes: 16716693504
      FreeSpaceInObjects: 1073741824
      StorageDescription: SD Card
      VolumeIdentifier: (null)
Special directories:
   Default music folder: 0xffffffff
   Default playlist folder: 0xffffffff
   Default picture folder: 0xffffffff
   Default video folder: 0xffffffff
   Default organizer folder: 0xffffffff
   Default zencast folder: 0xffffffff
   Default album folder: 0xffffffff
   Default text folder: 0xffffffff
MTP-specific device properties:
   Friendly name: (NULL)
   Synchronization partner: (NULL)
libmtp supported (playable) filetypes:
   Text file
   HTML file
   RIFF WAVE file
   ISO MPEG-1 Audio Layer 3
   MPEG video stream
   JPEG file
   GIF bitmap file
   JFIF file
   Portable Network Graphics
   TIFF bitmap file
   Microsoft Windows Media Audio
   Ogg container format
   Advanced Audio Coding (AAC)/MPEG-2 Part 7/MPEG-4 Part 3
   MPEG-4 Part 14 Container Format (Audio+Video Emphasis)
   ISO MPEG-1 Audio Layer 2
   Abstract Playlist file
   XML file
   Free Lossless Audio Codec (FLAC)
ERROR: Could not close session!
OK.