Qudelix-5K Bluetooth Usb Dac Amp With Ldac, Aptx Adaptive, Aptx Hd, Aac (Dual Es9219 35Mm Unbalanced & 25Mm Balanced Output)strong> Premium Bluetooth & USB DAcAMPstrong>strong>Qualcomm Qcc5124 (Quad-core)strong>strong>Bluetooth 50strong>strong>aptX Adaptive, LDAc, AAc, aptX-HD and SBcstrong>strong>Voice call (Qualcomm cVc & MEMS Microphone)strong>s..