eBay with Samsung
has the certified refurbished
Samsung Galaxy Buds+ Plus (SM-R175) True Wireless Earbuds Bluetooth Headphones with Wireless Charging Case, 2020 model (Aura Blue, SM-R175NMBAXAR) for $50
with free shipping. Thanks, Mike!
If you're willing to risk it, Amazon with WBB LLC
(86% positive rating) has it refurbished
in Black for $45
with free shipping.
The Galaxy Buds+ get up to 11 hours of battery life on a single charge (vs. 6 for the previous gen model) and up to 22 hours total.