Dilvpoetry SMSL I2 Hi-Fi Mini Portable Headphone Amplifier High Resolution DAC Amp 3.5mm Built in Microphone

SMSL i2 is a mini portable DAC and headphone amplifier with lightning port input, 3.5mm stereo headphone jack output. Designed for iphone7/7plus and also compatible with other Lightning port-equipped devices. Powered by Apple devices, metallic housing design, built-in microphone, with volume control button and mute mode botton, more convenient for operation. With Apple MFi Certificated, compatible with all Apple-supported music playback software. Recommend 'SMSL player' for best sound effect, supports music formats DSD64-128dsf)/WAV(44.1-384k Hz)/APE/FLAC/AAC/MP3