「MQA Checking in」FiiO Music App V3.1.0 Updates Now!

From the designer's point of view, which one is more appropriate, the USB dongles, the Bluetooth Amp or DAC/Amp?(From FiiOJames)

HiFi Portable DAP Development Trend--From JamesFiiO

Compact Portable DAC and Amplifier FiiO&Jade Audio KA1 Is Officially Released!