OVLENG X8 headphones for iPhone iPod cellphones MP3 & more Perfect fit, precise sound Super soft sponge cushion, wearing more comfortable The audio cable with a button & microphone, you can answer/reject phone call or stop/play music when using with cell phone Powerful sound experience dynamic bass Offering you the best sound experience. Soft earmuffs & adjustable hinges for comfortable wearing. Compact folding design High quality & fashionable appearance Adjustable headb&, fit for more people With Mic & line controller for you to enjoy music & answer phone call With clip for your convenience Foldable design, light weight, & convenient for carrying & storage. Products Impedance: 32 ohms Headphone Plug: 3.5mm Rated Power: 100m W Sensitivity: 102db