The ear part of earphone is soft-plated, so you have a comfortable feel to wear, reducing damage to your ear. With microphone, you can chat with your friends online. Description:3.5mm Stereo Sound Microphone Earphone Headphone for PC MP3 MP4.Note: Microphone only can be used on PC, but the audio plug can be used on mp3 mp4 3.5mm audio deviceBlack Stereo Microphone Earphone is an ideal gift for music lovers.Soft and midium size comfortable ear cushions.The 3.5mm Stereo MP3 Earphone can use for standard 3.5mm plug.Made of plastic, ear cushions are soft-plated.You can use MP4 Stereo Sound Headphone to connect with PC, MP3, MP4 and so on, which is fitted for 3.5mm plug.Easy adjustable headband, this 3.5mm PC Headphone ensures optimum fit and comfort.Color: as picture shown.Specifications:Impedance: 32 Ohm at 1 KHzSensitivity: 105db/mWFrequency Response: 20-20,000HzCord Length: ~2.0mPlug: Aluminum-platedWeight: 284g.