2-27KHZ 27KHZ Portable Audio HiFi Headphone Amplifier Earphone Stereo AMP 3.5mm Mini For phone Description This HiFi headphone amplifier, delicate, compact, lightweight, and portable, can improve your smartphone sound quality, making it possible for you to enjoy HD clear pure stereo sound without distortion. Youre worth it! Features: Mini HiFi Amplifier: It is delicate, compact, [...]