MingerDirect via Amazon offers the AlierGo True Wireless Earbuds for $39.99. Coupon code "37MRNO9V" cuts it to $19.20. With free shipping, that's $21 off list and the lowest price we could find. Features include Bluetooth 4.1, IPX5 waterproofing, 33-foot range, and 4 hours playing time. Deal ends June 30.