Take great audio quality with you on the go with these headphones that feature a compact size and folding design for easy portability. NoiseGard 2.0 technology reduces up to 90% of ambient noise for sound clarity. Refurbished to new condition with Senheiser warranty. What"s Included ◦Sennheiser Travel Headphones with Noise Cancellation ◦Rechargeable lithium-polymer battery ◦Audio cable with 2.5mm-to-3.5mm jack plug, 3.5mm double-mono jack in-flight adapter and 1/4" audio adapter ◦USB charging cable, wall-charging adapter and carrying case ◦Owner"s manual Product Features ◦Over-the-ear design For a secure and comfortable fit. ◦Neodymium magnets Along with Duofol diaphragms provide high-fidelity sound reproduction. ◦NoiseGard 2.0 technology Reduces ambient noise up to 90% for fewer audio distractions. ◦TalkThrough function Permits chatting with seatmates or flight attendants without removing the headphones. ◦Collapsible, metal-reinforced headband With a simple folding mechanism for easy portability. ◦Optimized for in-flight entertainment systems and portable media devices To keep you entertained on the go (adapters required, included). ◦Integrated volume control For enhanced usability and convenience. ◦15Hz - 22kHz frequency response For accurate sound reproduction. ◦107dB sensitivity For powerful sound. ◦Up to 590 ohms impedance To efficiently conduct power |