Specifications A71 Speaker: 40mm neodymium Frequency Response: 20Hz-40KHz Impedance: 32 Ohms Sensitivity: 110dB ± 3dB Sound Insulating Film: PET, Maximum Input Wattage: 1600 mW Connector Type: 3.5mm Stereo Jack Cable 1: 2m-2.0m-2.0m. 8ft Spiral Cable 2: 1.2m straight cable with microphone High-resolution and deep reach sound 40mm neodymium driver and innovative technology provide high-definition sound. Plays all the dynamics of your music and controlled bass DJs and audiophiles need. 6.35mm and 3.5mm audio connectors, stable wire connection Our solution for headphones without adapter. They come with a detachable spiral cable with 3.5mm plug and 6.35mm on each end. To connect common audio devices such as mobile phone, ipad, iPod, etc. You can connect the 6.35mm side to the headphones and the other side on the music player device; to connect professional musical instruments such as Mixer, Turntable, you can connect the 3.5mm side to the headphones and the other side on the Mixer, guitar, etc. Foldable and portable 90° swivel ear muffs. Earmuffs rotate for a custom fit and rotate 90 degrees to stay flat. The flat design makes them easier to carry and more comfortable when resting around the neck. OneOdio A71 are flexible headphones that can be adjusted naturally to fit any size head. 1.2m standard cable with microphone and 2m-3m spiral cable Remote control function Shareport Technology You can connect multiple headphones to one device, no dividers needed. Use the empty 3.5mm jack to share your music with someone else. Premium ear pads comfortable and excellent noise cancelling performance The ear pads are covered with premium soft PU leather for added comfort and noise insulation.