Phantom 5 is one of our leading smartphones in Hi-Fi 2.0 standard with top performance in the music. Ultra low noise super driver earphone circuit will output high density and lossless sound with Dolby surround digital technology. With the most advanced smart music analytical chip TFA9890 and high-powered AAC1813 loudspeakers, you can enjoy the real reverberation effects of music. What's more, the audio loudspeakers are 3 times as excellent as that of competitive products. Experience the charm of music, experience the most professional upgraded audio hardware in rhyme.