Description Genius HS-M320 In-Ear Headphones. Compact, Colorful, Crystal-Clear AudioGenius new in-ear headphones, HS-M320, is a small, lightweight and outstanding performer delivering clean digital playback with solid bass and extended treble from your smartphones, tablets or other portable devices. Multiple size ear tips, they deliver fit and comfort for extended listening no matter what you are doing-working, commuting, or just making your way around town. Available in various distinctive colors, these headphones accessorize your life with color and fun. FeaturesPowerful bass for deep, punchy soundIn-line control microphone allows hands free callsLightweight and comfortableMultiple size ear tips Specification Model NameHS-M320 ColourBlack Driver Unit10 mm Frequency Response20~20KHz (at 1KHz Output S.P.L ±10dB) Sound Pressure Level (SPL)88 dB ± 3dB (at 1KHz) Impedance16 Ohm ± 15% Connection3.5 mm jack In-Line MicrophoneYes In-Line ControlMicrophone/One button for answering calls Microphone – Sensitivity-42±3 dB (0dB=1V/ubar.1KHz) Cable Length1.1m Weight & Dimensions65 x 25 x 153 mm (2.56 x 0.98 x 6.02 inches)Approx. 12 g Package ContentsHS-M3202 sets S/L silicon fittingsMulti-language quick guide