Eligible for FREE Super Saver Shipping.
Get $15.00 from Sennheiser with this mail-in rebate when you send in your old (Any brand, any condition even non working or broken ) headphones.
NewEgg has also same offer.
sound-isolating earbud design
includes 3 sets of interchangeable earbud sleeves for a comfortable fit
43" asymmetrical cord with stereo mini plug
frequency response: 18-21,000 Hz