Noise cancellation microphone protects callers from surrounding distraction 
Single earpiece with superb clear sound 
International standard hearing protection to your ears 

Gooseneck microphone boom offers multiple adjustment and accurate talking position 
Click-stop headband for different head sizes and comfortable wearing 
Leatherette ear cushion for all-day comfort
Fresh designed T-Pad for convenient wearing

Mairdi MRD-308S