


Bass 2.0 - 1) Stereo headphone with extra bass 2) Frequency range: 20Hz to 20kHz 3) 40mm HD driver unit that supports high resolution 4) Up to 60Khz reproduction 5) Folding mechanism for easy carriage and storage 6) Cushioned ear pads for long-wearing comfort 7) Diaphragms are coasted with titanium to suppress unwanted vibration and reproduce clear sound 8) Hands-free phone calls for smartphones, android, iPhone, etc.