Enjoy engaging audio with these Able Planet Musicians' Choice headphones, which feature LINX AUDIO technology for powerful sound and InWire volume controls for simple adjustments. On-ear headphonesWith soft ear cushions provide comfort during extended listening sessions. Foldable earcups enable easy travel and storage.40mm driversDeliver powerful audio.Neodymium magnetsProvide sound reinforcement.LINX AUDIO technologyEnsures dynamic audio.InWire volume controlsOn each set of headphones allow easy adjustment for safe listening levels.20Hz - 20kHz frequency responseFor faithful sound reproduction.SI170 Series ultralightweight earbud headphonesFeature dual-element architecture for a live-sound feel and a braided cable that resists tangles. Small, medium and large ComfortFit sound-isolating ear tips provide a custom fit.Multifunction controller with microphoneAllows you to play, pause and advance music and answer and hang up calls.32 ohms earbud impedanceTo efficiently conduct power.