Another set of eBay coupons offering 15% off for eBay members and 17% off for eBay Plus members on eligible items in link. Multiple items may be purchased in 5 transactions total (up to a maximum of 10 items per transaction) and a maximum discount of $300 per transaction.
I had a quick look and not a huge amount on sale for a good price, but you may find some yourself.
The Xiaomi Mi True Wireless Earbuds Basic 2S for 24.64 for non-Plus or $24.06 with eBay Plus from bereictechnik is a good price. These are a new version of the popular Xiaomi Earbuds and offer a "gaming mode" for reduced latency in games, as well as TWS, in ear detection, inbuilt mics for calls, touch gestures and a charging case offering up to 20 hours of playtime.