MiFa K3 is a Bluetooth 5.0 portable Sound Bar that can play a USB and a micro SD card. That is refreshing. It has a big digital clock face and two alarm features. You can use the auxiliary input and control the brightness as well. I was surprised with the K3's beautiful, well balanced sound quality. Buy two K3 speakers and pair them to play both at one time. It's a great product at a great price.