DD ddHiFi TC28i Pro Female Dual Type-C to Male Lightning OTG & Charging Adapter restocking fee The first final products equipped

The first final products equipped with a controller

Digital Sound Enhancement Engine Yes

The Mercury USB cable takes the standard USB transmission standard and re-writes it for high-end audio

The Audio-Technica ATH-E40 Professional Monitor Earphones feature a proprietary

and audiophiles

DD ddHiFi TC28i Pro Female Dual Type-C to Male Lightning OTG & Charging Adapter restocking fee The first final products equippedTC28i Pro Lightning to USB C OTG and Power Adapter Improve sound quality while charging The USB audio decoding device without battery needs to take power from the mobile phone so as to work. However, the output current of the iOS device has certain restrictions, so the chip can't work in the best state for the most of the time. But when the external power supply is connected at the same time, the power supply environment of the circuit gets improved,