Bench Beat On-Ear Foldable Headphones with In-Line Mic Grey/Yellow Specifications 2 x 40mm Speaker driver unit with neodymium magnets for powerful bass and clear treble sound Lightweight, foldable headset design cushioned for comfort and fit In-line mic for play/pause track control and taking/making calls 3.5mm audio jack compatible with all audio devices and iPhone Flat, anti-tangle cable Frequency range of 20Hz-20KHz Sensitivity: 118dB +/- 3dB at 1KHz.
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