Brand : PTron Type : On-Ear Colour : Black/Grey Speaker diameter : 40mm Magnet type : Neodymium Frequency : 20-20,000Hz Impedance : 32 Ohms Cable : Flat 1.2m tangle free Sensitivity : 115-120dB 3.5mm gold plated universal pin Size :11.9*7*18.2 cm Weight :200 g On-ear stereo noise cancellation headphone with in-line mic Experience good bass music Compatible with smart phone, tablets, Laptop, Computer, MP3/MP4 player, iPad etc. This PTron headphones Light and compact for every lifestyle. Control Talk: The ultimate in iPod Control and Music Phone hands-free calling provides two great features. You get easy on-cable control playback, which means no more digging for your ipod every time you want to change volume. Full Power large high-efficiency drivers play loud without distortion. Wired with Monster Cable Clear and accurate sound with reduced interference. Tangle Free cable innovative, patent-pending cable design is ultra-flexible and tangle free. This PTron earphones are the prefect light-weight headphone. Noise isloation sealed in-ear design reduces external noise for a better music experience.