eBay has the Open-Box Bose SoundTrue On-Ear Headphones for $50 with free shipping. Features inline remote and microphone cable, carrying case.
Amazon has the Eddorunning Bluetooth Wireless Earbuds (Touch Two C6) for $39 - $21 off with coupon 55T7YWMD = $18 with free shipping on $25+ or with Prime. Features requires 1 AAA battery (included), 5,000mAh charging case, CVC8.0 noise cancelling, up to 190 hours of use, IPX7 waterproof, Bluetooth 5.0.
Has good Amazon Reviews.
eBay has the JBL Endurance DIVE Waterproof BT Headphones w/ Built-in MP3 Player (Black) Refurbished for $15 with free shipping. List price: $90. The MP3 player has 1GB of storage (up to 200 songs).
Ends 7/6. Amazon has the TCL Wireless Bluetooth On-Ear Headphones (MTRO200BT) for $40 - $15 off coupon clip (in Special Offers) = $25 with free shipping. Features 10 to 22KHz frequency response, 10M reception range, up to 20 hours of use, 32 Ohm impedence, flat-fold design, Bluetooth 4.2, 32mm driver.
eBay has the Samsung Galaxy Buds+ Plus True Wireless Earbuds, International 2020 model (White) for $100 with free shipping. Has good Amazon Reviews.