Dual XLR to 3.5mm Stereo Mic Cable 2 XLR Female to 1/8 Inch Mini Jack Y-Split…
The 3.5mm plug is a standard 3 pole (2 rings and a tip) connector, This won't work on a Smartphone that has a 4 Pole TRRS port. You may need a TRS to TRRS adapter. This xlr to 3.5mm cable is designed to connect two microphones (left channel Right channel) with XLR outputs to a mini stereo phone input.