New 9mm hi-sensitivity driver units for a wider acoustical rangeNew earbud shape with angled driver unit allows for comfortable wearingShort cord (2 feet) & extension cord (2 feet) suppliedSpecifications©2008 Sony Electronics Inc. All rights reserved.Sony is a trademark of Sony. All other trademarks are property of their respective owners.Features and specifications are subject to change without notice. Non-metric weights andmeasures are approximate. /Updated: April 10, 2012AudioDriver Unit 9mm diameter, dome type(CCAW adopted)Frequency Response 6-24,000HzImpedance 16 ohms at 1kHzSensitivity (db) 103dB/mWGeneralDesign EarbudMagnet Neodymium (400kJ/m3)for outstanding bass perfomancePlug L shaped stereo mini plug (Gold)Type of Use PortablePowerPower Handling Capacity 100mW (IEC)SpeakerDiaphragm PETType Closed, DynamicWeights and MeasurementsCord Length (Approx.) 2ft single sided, 2ft extension cord also suppliedWeight (Approx.) .14 Oz. (4g) without cordAccessoriesSupplied AccessoriesHard caseEarbuds- Small, Medium, and Large- allows the headphones to fit a range of ear sizes.Extension cordWarranty cardMDR-EX75/WHI EX Earbuds