Variations V1 is Portable HiFi Music Player USB DAC, PC DAC, Bluetooth DAC of TempoTec&EzHiFi.  Variations V1 Firmware V1.2 Released Added PEQ (Parametric EQ) and Bluetooth media info display. Firmware V1.2 and update instruction can be downloaded now  >>>>Download V1.2 If you met problem wh...