Sennheiser SC 635 Mono Headset 3.5mm Jack WITHOUT Controller
 
 
 
The Sennheiser SC 635 mono Corded 3.5mm Headset aka 'The Century' is Sennheiser's premium 3.5mm (for mobile/tablet connections) ultra noise cancelling (UNC) mono headset. It's designed to be used with tablet and mobile phone that use a 3.5mm jack . The SC635 headset has an over the head wearing style, with rotatable microphone for left or right hand side wear.