Features: You can rotate the boom arm 360 degrees
HD Voice / Wideband Audio
Noise-Canceling Microphone
PeakStop instantly removes any harmful loud sounds
Reinforced cord
Air shock microphone
Features: 1.Input: 12-24 V; Output 2 USB ports: smart 2.4 A charge port which can intelligently identify android or iPhone devices and QC3.0 fast charge port; 1.7 Inch display LCD backlight displays song name or incoming phone number/ shows car's battery level when car start; Can rotate the LCD display screen