AomaisDirect via Amazon offers its Aomais Sport II Waterproof Portable Wireless Bluetooth Speaker in Orange or Green for $39.99. Coupon code "AOMAISF2" cuts the price to $25.49. With free shipping, that's tied with our mention from a week ago as the lowest price we've seen. (It's the best deal today by $24.) This 20-watt speaker is waterproof up to 3.3 feet for 30 minutes and features a microphone, Bluetooth 4.0, 1-touch NFC pairing, 3.5mm auxiliary port, rubber exterior, and built-in rechargeable LiPo battery. It comes with an inflatable speaker float accessory.