Sennheiser HD335 Around-the-Ear Headphone (Certified Refurbished) This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all original accessories plus a 90 day warranty Flexibility - flip up the right ear-cup to talk to people around you Pure Sound - smooth audio reproduction with deep bass Blocks Outside Noise - due to the closed over-the-ear headphone design Easy Calls - in-line remote control with integrated microphone makes it easy to take/end calls