Audio&Tech via Amazon offers the Meidong QQChocolate Portable Wireless Bluetooth Speaker, model no. QQ4, for $29.99. Coupon code "TGYHO2CJ" drops it to $22.99. Plus, Prime members bag free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $6.59.) That's tied with our mention from three weeks ago and the lowest total price we could find now by $11. This water-resistant speaker features Bluetooth 4.1 with up to a 30-foot range, 10-watt dual drivers, a built-in microphone, 3.5mm auxiliary port, TF card slot, and built-in rechargeable battery with up to 10 hours of play-time per charge.