Acer Acer OHR690 Office Headset with Charging Base - Missing Bluetooth dongle

Open box. Untested missing Bluetooth dongle. Model OHR690. Bluetooth 5.3 with 10m effective range. Impedance 32 ohm, sensitivity 92dB, frequency range 20Hz to 20kHz. Includes charging base, USB-C dongle, USB-C/A adapter, USB cable, storage bag, and user manual. Everything is in the box. This is the COMPLETE SET, not just the headset alone.