This is not a Microsoft MTP descriptor... Device response to read device property 0xee: fffffff0: 00ff ff00 001f 1e1d 1c1b 1a19 1817 1615 ................ 0000: 1413 1211 100f 0e0d 0c0b 0a09 0807 0605 ................ 0010: 0403 0201 9ece ffff ffff ffff ffff ffff ................ 0020: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0030: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0040: ffff ffff ffff ffff ffff ffff ffff ffff ................ 0050: ff90 0201 010b 0322 0601 0f0f 0005 0f00 ......."........ 0060: b40e 0310 0f00 081f 0001 1f00 370f 0022 ............7.." 0070: 0f0c 0c0f 0236 0fde ee00 04b0 0002 0001 .....6.......... 0080: 5502 d000 04b0 0258 c348 0000 0000 0000 U......X.H...... 0090: 00 . Autodetected device "SanDisk Sansa e200" (VID=0781,PID=7420) is known. Connected to MTP device. USB low-level info: Using kernel interface "usbfs" bcdUSB: 512 bDeviceClass: 0 bDeviceSubClass: 0 bDeviceProtocol: 0 idVendor: 0781 idProduct: 7420 IN endpoint maxpacket: 512 bytes OUT endpoint maxpacket: 512 bytes Device flags: 0x00000000 Device info: Manufacturer: SanDisk Model: Sansa e280 Device version: PP5022AF-05.51-S301-02.18-S301.02.18A-D, (Build 32.10) Serial number: 00000000-00000000-3978b387-d9fdf912-00000000 Vendor extension ID: 0x00000006 Vendor extension description: microsoft.com/WMDRMPD: 10.1; portalplayer.com: 1.0; Supported operations: 1014: Get device property description 1015: Get device property value 1016: Set device property value 1017: Reset device property value 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 101b: Get partial object 100c: Send object info 100d: Send object 100b: Delete object 1012: Set object protection 100f: Format storage 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 9806: Set object property list 9810: Get object references 9811: Set object references 9201: Report Added/Deleted Items 9101: Get secure time challenge 9102: Get secure time response 9103: Set license response 9104: Get sync list 9105: Send meter challenge query 9106: Get meter challenge 9107: Get meter response 9108: Clean data store 9109: Get license state 910a: Send WMDRM-PD Command 910b: Send WMDRM-PD Request Events supported: None. Device Properties Supported: 0x5001: Battery Level 0xd101: Secure Time 0xd102: Device Certificate 0xd401: Synchronization Partner 0xd402: Device Friendly Name Playable File (Object) Types and Object Properties Supported: 3001: Association/Directory dc01: StorageID dc0b: ParentObject dc07: ObjectFileName dc04: ObjectSize dc02: ObjectFormat dc41: PersistantUniqueObjectIdentifier dc4f: NonConsumable dc44: Name dc03: ProtectionStatus dc09: DateModified 3009: MP3 dc01: StorageID dc0b: ParentObject dc07: ObjectFileName dc04: ObjectSize dc02: ObjectFormat dc41: PersistantUniqueObjectIdentifier dc4f: NonConsumable dc03: ProtectionStatus dc09: DateModified dc8b: Track dc99: OriginalReleaseDate dc0a: Keywords dc44: Name dc46: Artist dc8c: Genre dc9a: AlbumName dc89: Duration de9a: AudioBitRate de93: SampleRate de94: NumberOfChannels dc8a: Rating dc91: UseCount d901: BuyFlag 3008: MS Wave dc01: StorageID dc0b: ParentObject dc07: ObjectFileName dc04: ObjectSize dc02: ObjectFormat dc41: PersistantUniqueObjectIdentifier dc4f: NonConsumable dc03: ProtectionStatus dc09: DateModified dc8b: Track dc99: OriginalReleaseDate dc0a: Keywords dc44: Name dc46: Artist dc8c: Genre dc9a: AlbumName dc89: Duration de9a: AudioBitRate de93: SampleRate de94: NumberOfChannels dc8a: Rating dc91: UseCount d901: BuyFlag ba05: Abstract Audio Video Playlist dc01: StorageID dc0b: ParentObject dc07: ObjectFileName dc04: ObjectSize dc02: ObjectFormat dc41: PersistantUniqueObjectIdentifier dc4f: NonConsumable dc44: Name dc03: ProtectionStatus dc09: DateModified ba03: Abstract Audio Album dc01: StorageID dc0b: ParentObject dc07: ObjectFileName dc04: ObjectSize dc02: ObjectFormat dc41: PersistantUniqueObjectIdentifier dc4f: NonConsumable dc03: ProtectionStatus dc09: DateModified dc0a: Keywords dc44: Name dc46: Artist dc8c: Genre dc81: RepresentativeSampleFormat dc86: RepresentativeSampleData dc83: RepresentativeSampleHeight dc84: RepresentativeSampleWidth b901: WMA dc01: StorageID dc0b: ParentObject dc07: ObjectFileName dc04: ObjectSize dc02: ObjectFormat dc41: PersistantUniqueObjectIdentifier dc4f: NonConsumable dc03: ProtectionStatus dc09: DateModified dc8b: Track dc99: OriginalReleaseDate dc0a: Keywords dc44: Name dc46: Artist dc8c: Genre dc9a: AlbumName dc89: Duration de9a: AudioBitRate de93: SampleRate de94: NumberOfChannels de99: AudioWAVECodec dc8a: Rating dc91: UseCount d901: BuyFlag Storage Devices: StorageID: 0x00010001 StorageType: 0x0003 FilesystemType: 0x0002 AccessCapability: 0x0000 MaxCapacity: 7998969924 FreeSpaceInBytes: 7332210756 FreeSpaceInObjects: 4852 StorageDescription: PPI NAND VolumeIdentifier: VOL0_Sansa_e280_00000000-00000000-3978b387-d9fdf912-00000000 Special directories: Default music folder: 0x00000000 Default playlist folder: 0x00000000 Default picture folder: 0x00000000 Default video folder: 0x00000000 Default organizer folder: 0x00000000 Default zencast folder: 0x00000000 Default album folder: 0x00000000 Default text folder: 0x00000000 MTP-specific device properties: Friendly name: sansa e280 Synchronization partner: (NULL) Battery level 100 of 100 (100%) libmtp supported (playable) filetypes: ISO MPEG-1 Audio Layer 3 RIFF WAVE file Microsoft Windows Media Audio Secure Time: <DRMCLOCK type="status"><VALUE>#20070612 20:33:57Z#</VALUE><FLAG>DRM_CLK_SET</FLAG></DRMCLOCK> Device Certificate: <DEVCERT version="1.0"><CERTIFICATE type="DEVICE"><DATA><UNIQUEID private="1">AAAAAAAAAACHs3g5Evn92QAAAAA=</UNIQUEID><PUBLICKEY private="1">XBfYUExu4RJLuwN77zcT2xTkvh7T7N0magJQRAYkpknJSDnq1Or2UQ==</PUBLICKEY><KEYDATA>OgqWjYuBrpsm8wc2n4glUWNh/JA=</KEYDATA></DATA><MSDRM_SIGNATURE_VALUE>7rvLVlnF84HOsB5zCfI8AhtflCjrHZ+4BEw6kPCVnFMKuXdAbLI1Qg==</MSDRM_SIGNATURE_VALUE><SYMSIGNATURE>mQM969YcrKLwCguMNsbDagLb66k=</SYMSIGNATURE></CERTIFICATE><FALLBACK><SECURITYVERSION>2.4.104.93</SECURITYVERSION><CERTIFICATE private="1">XBfYUExu4RJLuwN77zcT2xTkvh7T7N0magJQRAYkpknJSDnq1Or2UQIEaF15le90TVR36HoyIGeh6ETPgoy7DLyBMQ6KzvSi40OekNHTfq2eH/kJ</CERTIFICATE></FALLBACK><CERTIFICATE type="GROUP"><DATA><NAME>Sansa e200 Series</NAME> <MANUFACTURER>SanDisk Corporation</MANUFACTURER> <MAKE>MicroStar Internatioal</MAKE> <SECURITYLEVEL>2000</SECURITYLEVEL> <FEATURES> <CLOCK>2</CLOCK> <SECURECLOCK> <URL>http://go.microsoft.com/fwlink/?LinkId=25817</URL> <PUBLICKEY> !CNhvvz1WaNV1AFUmetxkvm9iD4UrE9cnGUi!qcqdxMiXmD1*ikYGA== </PUBLICKEY> </SECURECLOCK> <METERING>1</METERING> <LICENSE_ACQ>1</LICENSE_ACQ> <LICENSE_SYNC>1</LICENSE_SYNC> <ENCRYPTION>1</ENCRYPTION> <SYMMETRIC_OPT>1</SYMMETRIC_OPT> </FEATURES> <LIMITS> <MAXCHAINDEPTH>2</MAXCHAINDEPTH> <MAXLICENSESIZE>10240</MAXLICENSESIZE> <MAXHEADERSIZE>5120</MAXHEADERSIZE> </LIMITS><PUBLICKEY>n4ahYQBHQ72FRfkzvy7BruWYDSilgfObLpzG0M8SNcfDGWvJhvbrhA==</PUBLICKEY></DATA><MSDRM_SIGNATURE_VALUE>lB5HvVHvcXLb0QiYfskM3Wu0eXtx9Tw0QIiCoKLhBIer0k3ablA4Zg==</MSDRM_SIGNATURE_VALUE></CERTIFICATE><CERTIFICATE type="AUTHORIZATION"><DATA><SECURITYLEVEL>2000</SECURITYLEVEL><AUTH_ID>961</AUTH_ID><PUBLICKEY>vjU5IwzlqSww/T8ihHxTDmbw1hVeXXG8oNVvgBBYFinhSvQ1e0gNEQ==</PUBLICKEY></DATA><MSDRM_SIGNATURE_VALUE>3DU5omHe8sFqztXjYZ9vNr2/DkLabfYH5VIfWrf+XXA+RNASNDpnTg==</MSDRM_SIGNATURE_VALUE></CERTIFICATE><CERTIFICATE type="AUTHORIZATION_ROOT"><DATA><AUTH_ID>1</AUTH_ID><PUBLICKEY>a1t3hxrg!qbOgktnbYaEEi4teCse!gz6RvTPuC!zizKJlpU7xoduSw==</PUBLICKEY></DATA><MSDRM_SIGNATURE_VALUE>sw5Aa1lOYIBJ6TcDvUa1Dxd2HicA66aj6r/YW2pFvx9L8Oiy/zawbQ==</MSDRM_SIGNATURE_VALUE></CERTIFICATE></DEVCERT> OK.