Aurtec via Amazon offers its Aurtec Portable Wireless Bluetooth Speaker Set for $44.99. Coupon code "AURSALE8" cuts that to $25.64. With free shipping, that's $19 off list and the lowest price we could find. These 5-watt speakers can be used individually or as a pair and feature Bluetooth 4.2, a microphone, and up to nine hours of playtime. Deal ends December 31.