A:Answer the S20+ does NOT have the classic 3.5mm analog headphone jack. It has only the USB-C connector. S20+ is packaged with updated, AKG-branded wired earbuds with a USB-C connector, so no, you are NOT forced to buy Bluetooth headphones. The AKG earbuds sound pretty good, and they have a good microphone, so they are good for phone calls as well.