KingWorld via Amazon [amazon.com]
has Bluetooth Noise Cancelling Neckband Headphones with Mic on sale for $22.45 - $13.47 Off with coupon code K8I5CSSP (apply at checkout) = $8.98. Shipping is free
w/ Prime or orders over $25.
Bluetooth V5.0 Connectivity
HD stereo & CVC6.0 noise reduction technology
Up to 20 hours of play time on a single charge