Specifics: impedance: 16 Ω Cable length: 120 cm (x) Sensitivity: 98 db + 3 db Frequency range: 20-20 KHZ Wearing a way: in-ear Color classification: black + red + gold color cavity Horn outer diameter: 10 mm Headphones categories: phone line charged with headphones Are there any microphone: so The earphone plug type: straight plugs The plug diameter: 3.5 mm The headset type: wired Package Included: 1 x NJ-210 Earphone And Other Accessories