B&H Photo Video has the Ausounds AU-Flex Noise-Canceling Wireless In-Ear Headphones for $40 with free shipping. These headphones have 20Hz to 20kHz frequency response and are equipped with 10mm/8mm hybrid drivers.
Best Wireless Headphone Deals, AirPods / Earbuds on Sale
eBay with Anker has the refurbished Anker Soundcore Liberty Air 2 Pro True Wireless Earbuds with Active Noise Cancelling (Black, A3951Z11) on sale for $42 with free shipping. Includes two-year Allstate warranty.
Has 60-hour playtime (40-hours in ANC mode), and includes USB-C cable, 3.5mm Aux cable & travel case.
Back in stock! Amazon with DirectS has the LINPA World T3 IPX7 Waterproof Bluetooth 5.0 True Wireless Earbud Headphones with Charging Case for $15 with free shipping on $25+ or with Prime.
eBay with Harman Audio has the AKG Y500 Wireless Headphones (Black) for $30 with free shipping. Features Ambient Aware technology for listening to music while being aware of your surrounding.
eBay with secondipity has the refurbished Sony LinkBuds Truly Wireless Earbuds (WFL900/H) for $82 with free shipping.
Up to 5.5 hours of battery life and up to 17.5 hours with charging case.
Amazon with EdifierDirect has the Edifier 330NB Hybrid Active Noise Cancelling True Wireless Bluetooth Earbuds (Black or White) for $65 - 10% off coupon (check "Apply coupon" box) - $33 off with coupon code I2V4EHZ5 [Exp 6/5] = $26 with free shipping.
eBay with resalefirm has the seller refurbished Bose QuietComfort 15 Noise Canceling Headphones (Black/Silver) for $59 - 15% off with coupon code MEMDAY15OFF [Exp 5/30] = $50 with free shipping.
eBay with vipoutlethas the refurbished Beats by Dr. Dre Studio Buds Totally Wireless Noise Cancelling Earbuds (Red, MJ503LL/A) for $60 - 15% off with coupon code MEMDAY15OFF [Exp 5/30] = $51 with free shipping.
Best Buy has the Geek Squad Certified Refurbished Samsung Galaxy Buds2 Bluetooth True Wireless Earbud Headphones (Graphite, Lavender, or White; GSRF SM-R177NZKAXAR) for $50 with free shipping.
Amazon has the Plantronics BackBeat FIT 350 Wireless Bluetooth Ultra-Light Sweatproof In-Ear Workout Earbud Headphones (Black, 212343-99) on sale for $19 with free shipping on $25+ or with Prime.
Amazon with Huppins has the JBL Free X Bluetooth True Wireless In-Ear Headphones with Microphone and Charging Case (Blue) for $40 with free shipping. Walmart with Huppins has it for the same price.
Wired really liked these ultra-expensive audiophile-grade wireless headphones.
eBay with vipoutlet has the refurbished Apple Beats by Dr. Dre Powerbeats Pro True Wireless Earphones, 2019 model (Black, MY582LL/A) on sale for $100 - 15% off with coupon code MEMDAY15OFF [Exp 5/30] = $85 with free shipping.