USB C DAC OTG Cable MFI Certified Audio Adapter for iPhone 13/12/11/X/8/7/6/Plus, iPad Pro/Air/Mini, iOS15 to Type C Male Adaptor (Only fit for Amplifier M12i M15i)

Questyle USB C DAC OTG Cable 3.5mm Audio Adapter for iPhone 13/12/11/X/8/7/6/Plus, iPad Pro/Air/Mini, iOS15 to Type C Male Adaptor Only for Amplifier M12i M15i

QueStyle M15i Headphone Amplifier Portable DAC USB DAC Amp with Dual-Jack, Portable Headphone Amp - Apple MFi Certified, Hi-Res DAC - Low Noise, for iOS/Android/PC