Platinet earphones with a microphone that allows you to make calls as well as listen to music. Included in the package are three interchangeable tips of different sizes. The hooks allow you to properly hold the earphones during any activities. Features: Earphone diameter: 10mm, Impedance: 16 Ohm, Sensitivity: 112 dB / mW, Frequency response: 20Hz - 20000Hz, Input power: 30mW, Connector: 3.5mm Stereo, Cable length: 120cm