Bus 000 Device 003: ID 1395:002d Sennheiser Communications Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 0 (Defined at Interface level) bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 64 idVendor 0x1395 Sennheiser Communications idProduct 0x002d bcdDevice 2.03 iManufacturer 1 Sennheiser Communications iProduct 2 Sennheiser BTD 800 USB for Lync iSerial 3 A000870193103400 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 220 bNumInterfaces 4 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xc0 Self Powered MaxPower 96mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 1 Control Device bInterfaceProtocol 0 iInterface 0 AudioControl Interface Descriptor: bLength 10 bDescriptorType 36 bDescriptorSubtype 1 (HEADER) bcdADC 1.00 wTotalLength 73 bInCollection 2 baInterfaceNr( 0) 1 baInterfaceNr( 1) 2 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 1 wTerminalType 0x0402 Headset bAssocTerminal 2 bNrChannels 2 wChannelConfig 0x0003 Left Front (L) Right Front (R) iChannelNames 0 iTerminal 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 2 wTerminalType 0x0101 USB Streaming bAssocTerminal 1 bSourceID 3 iTerminal 0 AudioControl Interface Descriptor: bLength 8 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 3 bSourceID 1 bControlSize 1 bmaControls( 0) 0x03 Mute Control Volume Control iFeature 0 AudioControl Interface Descriptor: bLength 12 bDescriptorType 36 bDescriptorSubtype 2 (INPUT_TERMINAL) bTerminalID 4 wTerminalType 0x0101 USB Streaming bAssocTerminal 5 bNrChannels 2 wChannelConfig 0x0003 Left Front (L) Right Front (R) iChannelNames 0 iTerminal 0 AudioControl Interface Descriptor: bLength 9 bDescriptorType 36 bDescriptorSubtype 3 (OUTPUT_TERMINAL) bTerminalID 5 wTerminalType 0x0402 Headset bAssocTerminal 4 bSourceID 6 iTerminal 0 AudioControl Interface Descriptor: bLength 13 bDescriptorType 36 bDescriptorSubtype 6 (FEATURE_UNIT) bUnitID 6 bSourceID 4 bControlSize 2 bmaControls( 0) 0x02 bmaControls( 0) 0x00 Volume Control bmaControls( 1) 0x00 bmaControls( 1) 0x00 bmaControls( 2) 0x00 bmaControls( 2) 0x00 iFeature 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 1 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 4 bDelay 0 frames wFormatTag 1 PCM AudioStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 2 bSubframeSize 2 bBitResolution 16 bSamFreqType 1 Discrete tSamFreq[ 0] 48000 AudioControl Endpoint Descriptor: bLength 7 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x81 Sampling Frequency MaxPacketsOnly bLockDelayUnits 2 Decoded PCM samples wLockDelay 0 Decoded PCM samples Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x03 EP 3 OUT bmAttributes 1 Transfer Type Isochronous Synch Type None Usage Type Data wMaxPacketSize 0x00c0 1x 192 bytes bInterval 1 bRefresh 0 bSynchAddress 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 0 bNumEndpoints 0 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 2 bAlternateSetting 1 bNumEndpoints 1 bInterfaceClass 1 Audio bInterfaceSubClass 2 Streaming bInterfaceProtocol 0 iInterface 0 AudioStreaming Interface Descriptor: bLength 7 bDescriptorType 36 bDescriptorSubtype 1 (AS_GENERAL) bTerminalLink 2 bDelay 0 frames wFormatTag 1 PCM AudioStreaming Interface Descriptor: bLength 11 bDescriptorType 36 bDescriptorSubtype 2 (FORMAT_TYPE) bFormatType 1 (FORMAT_TYPE_I) bNrChannels 1 bSubframeSize 2 bBitResolution 16 bSamFreqType 1 Discrete tSamFreq[ 0] 16000 AudioControl Endpoint Descriptor: bLength 7 bDescriptorType 37 bDescriptorSubtype 1 (EP_GENERAL) bmAttributes 0x00 bLockDelayUnits 2 Decoded PCM samples wLockDelay 0 Decoded PCM samples Endpoint Descriptor: bLength 9 bDescriptorType 5 bEndpointAddress 0x83 EP 3 IN bmAttributes 1 Transfer Type Isochronous Synch Type None Usage Type Data wMaxPacketSize 0x0020 1x 32 bytes bInterval 1 bRefresh 0 bSynchAddress 0 Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 3 bAlternateSetting 0 bNumEndpoints 1 bInterfaceClass 3 Human Interface Device bInterfaceSubClass 0 No Subclass bInterfaceProtocol 0 None iInterface 0 HID Device Descriptor: bLength 9 bDescriptorType 33 bcdHID 1.11 bCountryCode 0 Not supported bNumDescriptors 1 bDescriptorType 34 Report wDescriptorLength 259 Report Descriptor: (length is 259) Item(Global): Usage Page, data= [ 0x0b ] 11 Telephony Item(Local ): Usage, data= [ 0x05 ] 5 Headset Item(Main ): Collection, data= [ 0x01 ] 1 Application Item(Global): Report ID, data= [ 0x03 ] 3 Item(Global): Usage Page, data= [ 0x0b ] 11 Telephony Item(Global): Logical Minimum, data= [ 0x00 ] 0 Item(Global): Logical Maximum, data= [ 0x01 ] 1 Item(Local ): Usage, data= [ 0x20 ] 32 Hook Switch Item(Global): Report Size, data= [ 0x01 ] 1 Item(Global): Report Count, data= [ 0x01 ] 1 Item(Main ): Input, data= [ 0x22 ] 34 Data Variable Absolute No_Wrap Linear No_Preferred_State No_Null_Position Non_Volatile Bitfield Item(Local ): Usage, data= [ 0x21 ] 33 Flash Item(Local ): Usage, data= [ 0x24 ] 36 Redial Item(Local ): Usage, data= [ 0x2f ] 47 Phone Mute Item(Local ): Usage, data= [ 0x26 ] 38 Drop Item(Global): Report Size, data= [ 0x01 ] 1 Item(Global): Report Count, data= [ 0x04 ] 4 Item(Main ): Input, data= [ 0x06 ] 6 Data Variable Relative No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Local ): Usage, data= [ 0x07 ] 7 Programmable Button Item(Global): Usage Page, data= [ 0x09 ] 9 Buttons Item(Local ): Usage, data= [ 0x01 ] 1 Button 1 (Primary) Item(Global): Report Size, data= [ 0x01 ] 1 Item(Global): Report Count, data= [ 0x01 ] 1 Item(Main ): Input, data= [ 0x40 ] 64 Data Array Absolute No_Wrap Linear Preferred_State Null_State Non_Volatile Bitfield Item(Global): Usage Page, data= [ 0x0b ] 11 Telephony Item(Global): Report Size, data= [ 0x01 ] 1 Item(Global): Report Count, data= [ 0x02 ] 2 Item(Main ): Input, data= [ 0x01 ] 1 Constant Array Absolute No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Local ): Usage, data= [ 0x9e ] 158 (null) Item(Global): Report Size, data= [ 0x01 ] 1 Item(Global): Report Count, data= [ 0x01 ] 1 Item(Main ): Output, data= [ 0x22 ] 34 Data Variable Absolute No_Wrap Linear No_Preferred_State No_Null_Position Non_Volatile Bitfield Item(Global): Usage Page, data= [ 0x08 ] 8 LEDs Item(Local ): Usage, data= [ 0x17 ] 23 Off-Hook Item(Local ): Usage, data= [ 0x21 ] 33 Microphone Item(Local ): Usage, data= [ 0x18 ] 24 Ring Item(Local ): Usage, data= [ 0x09 ] 9 Mute Item(Local ): Usage, data= [ 0x2a ] 42 On-Line Item(Local ): Usage, data= [ 0x20 ] 32 Hold Item(Global): Report Size, data= [ 0x01 ] 1 Item(Global): Report Count, data= [ 0x06 ] 6 Item(Main ): Output, data= [ 0x22 ] 34 Data Variable Absolute No_Wrap Linear No_Preferred_State No_Null_Position Non_Volatile Bitfield Item(Global): Report Size, data= [ 0x01 ] 1 Item(Global): Report Count, data= [ 0x01 ] 1 Item(Main ): Output, data= [ 0x01 ] 1 Constant Array Absolute No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Main ): End Collection, data=none Item(Global): Usage Page, data= [ 0x0c ] 12 Consumer Item(Local ): Usage, data= [ 0x01 ] 1 Consumer Control Item(Main ): Collection, data= [ 0x01 ] 1 Application Item(Global): Report ID, data= [ 0x04 ] 4 Item(Global): Logical Minimum, data= [ 0x00 ] 0 Item(Global): Logical Maximum, data= [ 0x01 ] 1 Item(Global): Report Size, data= [ 0x01 ] 1 Item(Local ): Usage, data= [ 0xcd ] 205 Play/Pause Item(Local ): Usage, data= [ 0xb1 ] 177 Pause Item(Local ): Usage, data= [ 0xb0 ] 176 Play Item(Local ): Usage, data= [ 0xb7 ] 183 Stop Item(Local ): Usage, data= [ 0xb5 ] 181 Scan Next Track Item(Local ): Usage, data= [ 0xb6 ] 182 Scan Previous Track Item(Local ): Usage, data= [ 0xb3 ] 179 Fast Forward Item(Local ): Usage, data= [ 0xb4 ] 180 Rewind Item(Global): Report Count, data= [ 0x08 ] 8 Item(Main ): Input, data= [ 0x06 ] 6 Data Variable Relative No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Global): Report ID, data= [ 0x05 ] 5 Item(Local ): Usage, data= [ 0xe9 ] 233 Volume Increment Item(Local ): Usage, data= [ 0xea ] 234 Volume Decrement Item(Global): Report Count, data= [ 0x02 ] 2 Item(Main ): Input, data= [ 0x02 ] 2 Data Variable Absolute No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Global): Report Count, data= [ 0x06 ] 6 Item(Main ): Input, data= [ 0x01 ] 1 Constant Array Absolute No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Main ): End Collection, data=none Item(Global): Usage Page, data= [ 0xff 0xff ] 65535 (null) Item(Local ): Usage, data= [ 0x01 ] 1 (null) Item(Main ): Collection, data= [ 0x01 ] 1 Application Item(Global): Report ID, data= [ 0x01 ] 1 Item(Local ): Usage, data= [ 0x01 ] 1 (null) Item(Global): Logical Minimum, data= [ 0x00 ] 0 Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255 Item(Global): Report Size, data= [ 0x08 ] 8 Item(Global): Report Count, data= [ 0x6a ] 106 Item(Main ): Input, data= [ 0x02 ] 2 Data Variable Absolute No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Local ): Usage, data= [ 0x02 ] 2 (null) Item(Global): Logical Minimum, data= [ 0x00 ] 0 Item(Global): Logical Maximum, data= [ 0xff 0x00 ] 255 Item(Global): Report Size, data= [ 0x08 ] 8 Item(Global): Report Count, data= [ 0x6a ] 106 Item(Main ): Output, data= [ 0x02 ] 2 Data Variable Absolute No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Global): Report ID, data= [ 0x02 ] 2 Item(Global): Usage Page, data= [ 0x13 0xff ] 65299 (null) Item(Global): Logical Minimum, data= [ 0x00 ] 0 Item(Global): Logical Maximum, data= [ 0x01 ] 1 Item(Local ): Usage, data= [ 0x20 ] 32 (null) Item(Global): Report Size, data= [ 0x01 ] 1 Item(Global): Report Count, data= [ 0x01 ] 1 Item(Main ): Input, data= [ 0x22 ] 34 Data Variable Absolute No_Wrap Linear No_Preferred_State No_Null_Position Non_Volatile Bitfield Item(Local ): Usage, data= [ 0x21 ] 33 (null) Item(Local ): Usage, data= [ 0x24 ] 36 (null) Item(Local ): Usage, data= [ 0x2f ] 47 (null) Item(Local ): Usage, data= [ 0x26 ] 38 (null) Item(Global): Report Size, data= [ 0x01 ] 1 Item(Global): Report Count, data= [ 0x04 ] 4 Item(Main ): Input, data= [ 0x06 ] 6 Data Variable Relative No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Local ): Usage, data= [ 0x07 ] 7 (null) Item(Global): Usage Page, data= [ 0x09 ] 9 Buttons Item(Local ): Usage, data= [ 0x01 ] 1 Button 1 (Primary) Item(Global): Report Size, data= [ 0x01 ] 1 Item(Global): Report Count, data= [ 0x01 ] 1 Item(Main ): Input, data= [ 0x40 ] 64 Data Array Absolute No_Wrap Linear Preferred_State Null_State Non_Volatile Bitfield Item(Global): Usage Page, data= [ 0x13 0xff ] 65299 (null) Item(Global): Report Size, data= [ 0x01 ] 1 Item(Global): Report Count, data= [ 0x02 ] 2 Item(Main ): Input, data= [ 0x01 ] 1 Constant Array Absolute No_Wrap Linear Preferred_State No_Null_Position Non_Volatile Bitfield Item(Local ): Usage, data= [ 0x9e ] 158 (null) Item(Global): Report Size, data= [ 0x01 ] 1 Item(Global): Report Count, data= [ 0x01 ] 1 Item(Main ): Output, data= [ 0x22 ] 34 Data Variable Absolute No_Wrap Linear No_Preferred_State No_Null_Position Non_Volatile Bitfield Item(Global): Usage Page, data= [ 0x95 0xff ] 65429 (null) Item(Local ): Usage, data= [ 0x17 ] 23 (null) Item(Local ): Usage, data= [ 0x21 ] 33 (null) Item(Local ): Usage, data= [ 0x18 ] 24 (null) Item(Local ): Usage, data= [ 0x09 ] 9 (null) Item(Local ): Usage, data= [ 0x2a ] 42 (null) Item(Local ): Usage, data= [ 0x20 ] 32 (null) Item(Local ): Usage, data= [ 0x03 ] 3 (null) Item(Global): Report Size, data= [ 0x01 ] 1 Item(Global): Report Count, data= [ 0x07 ] 7 Item(Main ): Output, data= [ 0x22 ] 34 Data Variable Absolute No_Wrap Linear No_Preferred_State No_Null_Position Non_Volatile Bitfield Item(Main ): End Collection, data=none Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x81 EP 1 IN bmAttributes 3 Transfer Type Interrupt Synch Type None Usage Type Data wMaxPacketSize 0x0040 1x 64 bytes bInterval 1 Device Status: 0x0000 (Bus Powered)