eBay with Anker Outlet Store has the Soundcore by Anker Liberty 4 NC Wireless Noise Cancelling Earbuds (Black) for $52.49 - 20% off with coupon code TECHREFURB20 [Exp 4/22] = $42 with free shipping. 10 hour battery life (8 hours w. ANC) + extra 40 hours with charging case.