Small Target US via Amazon offers the Small Target Wireless Bluetooth Headphones in Black for $39.99. Coupon code "4Z3RJED7" cuts the price to $19.99. With free shipping, that's $5 less than last month's mention, $20 off list, and the lowest price we could find. They feature Bluetooth 4.1 and EDR APT-X audio decode technology and are water-resistant. Deal ends January 15.