Koss SB40 Computer Headset with Microphone, black/gold

StarTech.com Headset adapter for headsets with separate headphone/microphone plugs - 3.5mm 4 position to 2x 3 position 3.5mm M/F - MUYHSMFF

SYBA external USB Stereo Sound Adapter for Windows, Mac, Linux Extra Audio Source with Microphone SD-CM-UAUD

Koss SB-45 Communication Stereophones

Yamaha CM500 Headset with Built In Microphone

Campro Stereo 3.5mm Mini Female to Male XLR Audio Adaptor

The ARRL Extra Class License Manual Spiral 11th Edition

Tripp Lite USB 2.0 Hi-Speed A/B Cable with Ferrite Chokes (M/M) 6-ft. (U023-006)

RTL-SDR Blog R820T2 RTL2832U 1PPM TCXO SMA Software Defined Radio (Dongle Only)

Rode VXLR Adapter for VideoMic Mini-Jack Female to XLR Male

Cable Matters 5-Pack, Gold Plated 6.3mm (1/4 inch) to 3.5 mm Male to Female Stereo Adapter