​The material contained on this page is informative only. Authoritative compliance information is contained in the applicable Bluetooth specification.


Name: External Report Reference

Type: org.bluetooth.descriptor.external_report_referenceDownload / View

Assigned Number: 0x2907


The External Report Reference characteristic descriptor allows a HID Host to map information from the Report Map characteristic value for Input Report, Output Report or Feature Report data to the Characteristic UUID of external service characteristics used to transfer the associated data.

Value Fields

Names Field Requirement Format Minimum Value Maximum Value Additional Information
External Report Reference
Characteristic UUID for externally referenced characteristic
gatt_uuid N/A N/A None