Aomais Direct via Amazon offers its Aomais 8-watt Waterproof Bluetooth Speaker in Black for $25.99 $16.99. Coupon code "UX3NVU2W" cuts the price of either to $13.49. With free shipping, that's $3 under last month's mention, $13 off, and the lowest price we could find. It features IPX7 waterproofing, a silicone carrying strap, mic, auxiliary input with cable, and USB charging port. Deal ends July 22.