If you run lsusb, do they share the exact id?
Examples
Bus 036 Device 003: ID 04e8:6860 Samsung Electronics Co., Ltd. SAMSUNG_Android Serial: 323062d3f6738057
Bus 036 Device 002: ID 05ac:8507 Apple Inc. Built-in iSight Serial: 8J97P2KF16V13A00
Bus 038 Device 003: ID 1a40:0101 TERMINUS TECHNOLOGY INC. USB 2.0 Hub [MTT]
Bus 038 Device 004: ID 0403:6001 Future Technology Devices International Limited FT232R USB UART Serial: A601EFG9
Bus 038 Device 005: ID 12d1:1038 Huawei Technologies Co., Ltd. Android Adapter Serial: 509F2735096D
Bus 038 Device 002: ID 05ac:8403 Apple Inc. Internal Memory Card Reader Serial: 000000009833
Bus 004 Device 003: ID 05ac:8242 Apple Inc. IR Receiver
Bus 004 Device 002: ID 05ac:0236 Apple Inc. Apple Internal Keyboard / Trackpad
Bus 006 Device 002: ID 0a5c:4500 Broadcom Corp. BRCM2046 Hub
Bus 006 Device 003: ID 05ac:8213 Apple Inc. Bluetooth USB Host Controller Serial: 002608CCAC6F
Bus 036 Device 001: ID 05ac:8006 Apple Inc. EHCI Root Hub Simulation
Bus 038 Device 001: ID 05ac:8006 Apple Inc. EHCI Root Hub Simulation
Bus 004 Device 001: ID 05ac:8005 Apple Inc. OHCI Root Hub Simulation
Bus 006 Device 001: ID 05ac:8005 Apple Inc. OHCI Root Hub Simulation