Aptoyu via Amazon offers the Aptoyu 20-watt Wireless Bluetooth Portable Speaker for $29.99. Coupon code "7O99DR4T" cuts that to $21.99. With free shipping, that's $8 off and the lowest price we could find. It features a 33-foot range, microphone, and up to seven hours of playtime at 60% volume. Deal ends December 31.