Satechi via Amazon offers Prime members the Satechi Divoom Bluetune-Bean Portable Speaker in six colors (Black pictured) for $23.99. Coupon code "SATDIV50" cuts the price to $11.99. With free shipping, that's $28 off and the lowest total price we could find. (Non-members can spend $35 to qualify for free shipping; otherwise, it adds $6.33.) Features include a built-in microphone, carabiner clip, and up to six hours of playback time.

Also available is the Satechi Divoom Bluetune Solo Portable Speaker in three colors for $39.99. Coupon code "SATDIV50" cuts the price to $19.99. With free shipping, that's the lowest total price we could find by $15. It features a built-in microphone and 33-foot operating range.