Compatible with all electronic devices with 3.5MM port.Enables you to enjoy the thrill of music and sports anytime and anywhere.1.2 Meter cable length Remax S1 Pro Sport Headsets Remax S1 Pro Stereo Earphone provides flexible earbuds that will fit almost any ear comfortably for ultimate sound performance. Integrated microphone for Hands free Calling. Multi function button controls operations directly on your Smartphone or Tablet, lets you perform many tasks on your portable media player and mobile device. Durable elastomeric covered cable is tangle resistant and comfortable.Technical Specifications:Wearing Type: In-ear Microphone: Yes Impedance: 16Ω±15%Frequency Response: 20-20000kHzSPL: 88±3dB Microphone: 42±3dB Maximum thrust: 30mW Contact pin: 3.5MM Length: 1.2 Meter