Works across all host OSes. Handles 95% of USB device classes. Latency is low (microseconds) for most peripherals. The only downside: requires network stack (localhost is fine).
emulator -avd -usb-passthrough vendorid=0x ,productid=0x Use code with caution. Copied to clipboard For an ASUS Bluetooth adapter with IDs , the command is connect usb device to android emulator better
For more complex scenarios, or when standard passthrough fails (common on Windows), use the protocol to encapsulate USB traffic over a network socket. Host Setup Works across all host OSes