Amazon.com: Bestisan Soundbar 28-Inch 80W with HDMI-ARC, Bluetooth 5.0, Optical Coaxial USB AUX Connection, 4 Speakers, 3 EQs, 110dB Surround Sound Bar Home Theater Audio Soundbar System for TV : Electronics
HDMI ARC and HDMI eARC: Everything to know - Reviewed
Some basic info on ARC and eARC
HDMI ARC and eARC: Audio Return Channel for beginners - CNET