The slick design and great value makes the model RP-HV094 a great choice for everyday use.The inside of the earphones fit snugly in your ear and so remain stable. Offering clear, crisp sound, these headphones do not disappoint in sound quality.With a standard 3.5mm SpecificationsDrive unit (diameter): 14.8mm Sensitivity: 104 dB/mW Max input: 40.0mW Frequency response: 20-20kHz Cord length: 1.2mMini plug (diameter): 3.5mmPlug type: Nickel Magnet type: Neodymium IR Transmitter RF Transmitter DSSS Transmitter ReceiverWhat's in the BoxPanasonic RP-HV094 earphones