Feature: 

*Telecom-easy,can answer the phone without signal signal interference

*WDRC Signal Processing 
*4 Channels 8 Bands 3Memories  
*Adaptive Noise Reduction (ANR) 12dB 
*Adaptive Feedback Cancellation (AFC) 
*FrontWave Directional Microphone 
*12KHz Bandwidth 
*Adjustable Indicator 
*Super Quiet 
*Adjustable for high & low frequency 
*Memory Switch Indicator 
*Low Battery Indicator 
*MPO Control 
*Power-on Delay 
*Automatic Telecoil 
*Compression Knee Points

Red is for right ear, blue is for left ear