Aptoyu via Amazon offers the Aptoyu 10-watt Portable Bluetooth Speaker in Black for $24.99. Coupon code "Z5IPHU3S" cuts the price to $13.99. Plus, Prime members receive free shipping. That's $16 off list and tied with last week's mention as the lowest price we could find. It allows for up to 24 hours of streaming and features a 33-foot range.