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THESE SPECIFICATIONS ARE PROVIDED “AS IS” AND WITHOUT ANY WARRANTY OF ANY KIND, EXPRESSED OR IMPLIED. WITHOUT LIMITATION, THERE IS NO WARRANTY OF NON-INFRINGEMENT, NO WARRANTY OF MERCHANTABILITY, AND NO WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE. ALL WARRANTIES ARE EXPRESSLY DISCLAIMED. USER ASSUMES THE FULL RISK OF USING THESE SPECIFICATIONS. IN NO EVENT SHALL USB-IF OR THE USB 3.0 PROMOTERS BE LIABLE FOR ANY ACTUAL, DIRECT, INDIRECT, PUNITIVE, OR CONSEQUENTIAL DAMAGES ARISING FROM SUCH USE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

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Technology

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Title	Category	Type	Technology	Date
USB Audio v4.0_0_0.zip7.55 MBUSB Audio Devices Release 4.0 and Adopters Agreement USB Device Class Definition for Audio Devices Release 4.0 and ECNs through October 9, 2026 USB Audio v4.0 Adopters Agreement Read More	Specification	Device Class Specification		10/12/2026
Audio2_with_Errata_and_ECN_through_Sep_14_2026.pdf1.67 MBUSB Device Class Definition for Audio Devices Release 2.0 with Errata and ECN through September 14, 2026 Read More	Specification	Device Class Specification		09/15/2026
NCM11_20260205.zip6.97 MBUSB Communications Class Subclass Specifications for Network Control Model Devices v1.1 Read More		Device Class Specification		02/19/2026
hut1_7.pdf4.32 MBHID Usage Tables 1.7 Read More		Device Class Specification		01/27/2026
CDC1.2_WMC1.1_012011_0.zip3.82 MBClass definitions for Communication Devices 1.2 CDC Subclass for Asynchronous Transfer Mode Devices CDC Subclass for Communications Devices CDC Subclass for Ethernet Control Model Devices CDC Subclass for ISDN Devices CDC Subclass for PSTN Devices CDC Subclass for Wireless Mobile Communication Devices 1.1 WMC110-Errata1.pdf and CDC v1.2 WMC v1.1 Errata 1 USB Class Definitions for Communications Devices Revision 1.2 with Errata and ECN through April 3, 2025 Adopters Agreement Read More	Specification	Device Class Specification		05/28/2025
USB I3C Device Class Revision 1.1.pdf1.52 MBUSB I3C® Device Class Specification v1.1 Read More	Specification	Device Class Specification		04/10/2023
USB I3C Device Class Revision 1.0.pdf1.31 MBUSB I3C Device Class Specification Read More	Specification	Device Class Specification		01/07/2022
USB Billboard Rev 1.2.2 20210209.zip846.21 KBBillboard Device Class Spec Revision 1.2.2 and Adopters Agreement Read More	Specification	Device Class Specification		02/09/2021
USB MIDI v2_0.pdf1.52 MBUSB Class Definition for MIDI Devices v2.0 Read More	Specification	Device Class Specification		06/22/2020
hid1_11.pdf1007.31 KBDevice Class Definition for HID 1.11 Read More	Specification	Device Class Specification		06/04/2020
pid1_01.pdf660.71 KBDevice Class Definition for PID 1.0 Read More		Device Class Specification		06/04/2020
oaaddataformatsv6.pdf597.1 KBOAAD Arcade Usage Table Read More	Specification	Device Class Specification		06/04/2020
pdcv11.pdf987.04 KBUsage Tables for HID Power Devices 1.1 Read More		Device Class Specification		05/29/2020
BCv1.2_070312.zip1.31 MBBattery Charging v1.2 Spec and Adopters Agreement Battery Charging Specification v1.2 Errata for "Battery Charging Specification Revision 1.2 December 7, 2010", as of Oct 12, 2011 Errata for "Battery Charging Specification Revision 1.2 October 12, 2011" as of Mar 15, 2012 Battery Charging Specification (Including errata and ECNs through March 15, 2012) Revision 1.2, March 15, 2012 Read More	Specification	Device Class Specification		12/11/2019
USB_Type-C_Bridge_Spec110117.zip3.11 MBUSB Type-C® Bridge Specification v1.1 USB Type-C® Bridge Class Specification v1.1 USB Type-C® Bridge Class Specification v1.1 - redline USB 3.0 Adopters Agreement Read More	Specification	Device Class Specification	USB Type-C	10/23/2018
MBIMMultiflow10.zip0 bytesUSB Multiflow Extension for Mobile Broadband Interface Model v1.0 and Adopters Agreement USB Multiflow Extension for Mobile Broadband Interface Model v1.0 Adopters Agreement Read More	Specification	Device Class Specification		07/23/2017
Media_Agnostic_USB_v1.0a.zip0 bytesMedia Agnostic USB v1.0a Spec and Adopters Agreement Media Agnostic USB v1.0a Spec Adopters Agreement Read More	Specification	Device Class Specification		07/29/2015
usb_debug_class_rev_1_0_final_0.pdf1.25 MBUSB 3.1 Debug Class Specification for Debug Devices, Rev. 1.0 Read More	Specification	Device Class Specification		07/14/2015
UASP_Bootability_Rev_1_0.zip0 bytesUSB Mass Storage Class Specification for UASP Bootability v1.0 and Adopters Agreement USB Mass Storage Class Specification for UASP Bootability v1.0 Adopters Agreement Read More	Specification	Device Class Specification		03/04/2013
MBIM10Errata1_073013.zip0 bytesMobile Broadband Interface Model v1.0 Errata -1 and Adopters Agreement Mobile Broadband Interface Model v1.0 Errata -1 Adopters Agreement Read More	Specification	Device Class Specification		12/26/2012
IPP.zip1.33 MBIPP Protocol 1.0 USB Print Interface Class IPP Protocol Specification Adopters Agreement Read More	Specification	Device Class Specification		12/05/2012
CDC1.2_WMC1.1_052013.zip0 bytesErrata updates for CDC v1.2 and WMC v1.1 as of DEC-2012 CDC Subclass for Communications Devices CDC Subclass for Wireless Mobile Communications Devices 1.1 CDC v1.2 WMC v1.1 Errata 1 Adopters Read More	Specification	Device Class Specification		12/01/2012
USB_Video_Class_1_5.zip0 bytesVideo Class v1.5 document set UVC v1.5 Class specification USB Video Example v1.5 USB Video FAQ v1.5 USB Video Payload DV v1.5 USB Video Payload Frame Based v1.5 USB Video Payload H264 v1.5 USB Video Payload MPEG-2 TS v1.5 USB Video Payload Uncompressed v1.5 USB Video Payload VP8 v1.5 USB Video Payload Stream Based v1.5 USB Video Transport v1.5 USB Video Payload_MJPEG v1.5 USB Video Temporal Encoder Examples v1.5 Read More	Specification	Device Class Specification		08/09/2012
AV_BDP_v1.0.pdf0 bytesUSB Device Class Definition for Audio/Video Devices Basic Device Profile (BDP) USB Device Class Definition for Audio/Video Devices Basic Device Profile (BDP) Read More	Specification	Device Class Specification		06/12/2012
ContentSecurity_v2.0.pdf0 bytesDevice Class Definition for Content Security Devices 2.0 Device Class Definition for Content Security Devices 2.0 Read More	Specification	Device Class Specification		06/12/2012
CSM-5_v1.0.pdf0 bytesContent Security Method 5 - High-bandwidth Digital Content Protection 2.1 (HDCP 2.1) Implementation Content Security Method 5 - High-bandwidth Digital Content Protection 2.1 (HDCP 2.1) Implementation Read More	Specification	Device Class Specification		06/12/2012
AVDD_Creator_User_Manual.pdf0 bytesAVDD Creator User Manual Read More	Specification	Device Class Specification		12/10/2011
USB_AV_Specification_Rev_1.0.zip0 bytesAudio/Video Device Class v1.0 Spec and Adopters Agreement USB Device Class Definition for Audio/Video Devices AVFormat 1 - Video over Bulk USB Device Class Definition for Audio/Video Devices AVFormat 2 - Isochronous Audio USB Device Class Definition for Audio/Video Devices AVFormat 3 - Uncompressed Full Frame Isochronous Video USB Device Class Definition for Audio/Video Devices AV Device Class Overview & AV Function Definition Video & USB Timings Read More	Specification	Device Class Specification		12/07/2011
MTPv1_1.zip0 bytesMedia Transfer Protocol v.1.1 Spec and MTP v.1.1 Adopters Agreement Media Transfer Protocol v.1.1 Spec MTP v.1.1 Adopters Agreement Read More	Specification	Device Class Specification		04/06/2011
NCM10_012011.zip0 bytesNetwork Control Model Devices Specification v1.0 and errata and Adopters Agreement Network Control Model Devices Specification v1.0 and errata Adopters Agreement Read More	Specification	Device Class Specification		11/24/2010
Mass_Storage_Specification_Overview_v1.4_2-19-2010.pdf0 bytesMass Storage Class Specification Overview 1.4 Mass Storage Class Specification Overview 1.4 Read More	Specification	Device Class Specification		02/19/2010
BasicAudioDevice-10.zip0 bytesAudio Device Class Spec for Basic Audio Devices v1.0 and Adopters Agreement Audio Device Class Spec for Basic Audio Devices v1.0 Audio Adopters Agreement Read More	Specification	Device Class Specification		11/24/2009
uasp_1_0.zip0 bytesUSB Attached SCSI Protocol (UASP) v1.0 and Adopters Agreement USB Attached SCSI Protocol (UASP) v1.0 Adopters Agreement Read More	Specification	Device Class Specification		06/24/2009
Personal_Healthcare_1.zip0 bytesPersonal Healthcare Rev. 1.0 Personal Healthcare Rev. 1.0, Errata for USB Personal Health Care Device Class Personal Healthcare Adopters Agreement Read More	Specification	Device Class Specification		11/08/2007
Lockable_Mass_Storage_Spec_and_Adopters_Agreement.zip0 bytesLockable Mass Storage Specification 1.0 and Adopters Agreement Lockable Mass Storage Specification 1.0 Adopters Agreement Read More	Specification	Device Class Specification		08/01/2007
Audio2.0_final.zip0 bytesAudio Devices Rev. 2.0 and Adopters Agreement Audio Devices Rev. 2.0 Audio 2.0 Adopters Agreement Read More	Specification	Device Class Specification		05/31/2006
USB_Video_Class_1_1_090711.zip0 bytesVideo Class v1.1 document set USB Video Class v1.1 USB Video Identifiers v1.1 USB Video Payload DV v1.1 USB Video Payload Frame Based v1.1 USB Video Payload MJPEG v1.1 USB Video Payload MPEG-2 TS v1.1 USB Video Payload Uncompressed v1.1 USB Video Payload Stream Based v1.1 USB Video Payload H264 v1.0 USB Video Transport v1.1 USB Video Example v1.1 USB Video FAQ v1.1 USB Video Payload H264 09Aug2011 Errata Read More	Specification	Device Class Specification		06/01/2005
DWG_Smart-Card_USB-ICC_ICCD_rev10.pdf0 bytesSmart Card ICCD version 1.0 Device Class: Smart Card ICCD Specification for USB Integrated Circuit(s) Card Devices Read More	Specification	Device Class Specification		04/22/2005
DWG_Smart-Card_CCID_Rev110.pdf0 bytesSmart Card CCID version 1.1 Device Class: Smart Card CCID Specification for Integrated Circuit(s) Cards Interface Devices Read More	Specification	Device Class Specification		04/22/2005
CDC_EEM10.pdf0 bytesCDC Subclass Specification for Ethernet Emulation Model Devices 1.0 CDC Subclass Specification for Ethernet Emulation Model Devices 1.0 Read More	Specification	Device Class Specification		02/02/2005
usb_msc_boot_1.0.pdf0 bytesMass Storage Bootability Specification 1.0 Mass Storage Bootability Specification 1.0 Read More	Specification	Device Class Specification		10/25/2004
DFU_1.1.pdf139.83 KBDevice Firmware Upgrade 1.1 (new version 31-Aug-2004) Device Firmware Upgrade 1.1 Read More	Specification	Device Class Specification		08/05/2004
usb_msc_cbi_1.1.pdf0 bytesMass Storage Control/Bulk/Interrupt (CBI) Specification 1.1 Mass Storage Control/Bulk/Interrupt (CBI) Specification 1.1 Read More	Specification	Device Class Specification		06/23/2003
USBTMC_1_006a.zip0 bytesTest & Measurement Class Specification USB Test and Measurement Class Specification (USBTMC) Read More	Specification	Device Class Specification		04/14/2003
csm2_v1_0.pdf0 bytesContent Security Method 2 - USB Digital Transmission Content Protection Implementation 1.0 Content Security Method 2 - USB Digital Transmission Content Protection Implementation 1.0 Read More	Specification	Device Class Specification		08/22/2000
usbdi10.pdf0 bytesOpenUSBDI Specification 1.0 USB Driver Interface (OpenUSBDI) Specification Read More	Specification	Device Class Specification		07/17/2000
usb_still_img10.zip0 bytesStill Image Capture Device Definition 1.0 and Errata as of 16-Mar-2007 Still Image Capture Device Definition 1.0 and Errata as of 16-Mar-2007 Read More	Specification	Device Class Specification		07/11/2000
usbir10.pdf0 bytesIrDA Bridge Device Definition 1.0 IrDA Bridge Device Definition 1.0 Read More	Specification	Device Class Specification		03/23/2000
ContentSecurity_v2.0.pdf0 bytesContent Security Method 1 - Basic Authentication Protocol 1.0 Content Security Method 1 - Basic Authentication Protocol 1.0 Read More	Specification	Device Class Specification		01/25/2000
usbprint11a021811.pdf0 bytesPrinter Device Class Document 1.1 USB Device Class Definition for Printing Devices Read More	Specification	Device Class Specification		01/01/2000