Fine lightweight headset 
 Ultra-high sound quality of headphones 
 Swing, then pole to facilitate the reorientation 
 Can be rotated 300 degrees adjustable head stuck and difficult to break 
 Soft leather sleeve 
 Answer and then send a loud and clear sound quality, the use of voice transmission line technology, to eliminate the phenomenon of echo or distortion 
 Microphone with anti-noise function 
 Yi Jiayi localization