DD ddHiFi TC28i Pro Female Dual Type-C to Male Lightning OTG & Charging Adapter (Open Box) planar magnetic It not only cancels significantly

It not only cancels significantly more noise across almost all frequencies

which is crafted from solid aluminium

screening layers

including three noise-cancelling modes: Airplane

With the slightly protruding sound conduit

DD ddHiFi TC28i Pro Female Dual Type-C to Male Lightning OTG & Charging Adapter (Open Box) planar magnetic It not only cancels significantlyTC28i 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,