Cool digital wired headphones type C compatible with Android and iOS. The hands-free kit consists of a simple design in which a distinctive look and perfect sound is highlighted. They fit perfectly by insulating against outside noise for music enjoyment and calls. These headphones have a button answering machine and a built-in microphone. Suitable for smartphones with Type C port that do not have a 3.5mm jack. Technical features: stereo. Built-in button on the cable, located behind the microphone (pause and switch song). 10mm diameter speaker. Speaker impedance 32 ohms Frequency: 20 Hz to 20 kHz Sensitivity: 105 dB. Important note: The volume of the listening must be medium when it is maximum (volume to stop), in addition to damage the hearing, it is possible that a light echo is heard. Audio connection: Type C