MOONDROP Aria2 Crimson 3.5mm Stereo Mini Plug, 4.4mm Balanced Connection Plug, Earphone Body, Eartips (M/L), Protective Case (Size S is not included as it has been used) Moondrop Dawn Pro Portable USB DAC/AMP Dual CS43131 DAC 32Bit/384kHz DSD256 Decoder Headphone Amplifier Silver Purchased in October. I'm selling it because I've listened to it a few times and have been using other earphones.