The monaural headset has a part of flexible air tube which is more convenient to use during driving and sporting. Professional audio-visual, cut off the noise, the sound quality is fidelity. The product is away from electromagnetic, more environmental and have anti-radiation function. Stay away from the electromagnetic, safe and convenient to use. The earphone is suitable for iOS and Android devices via regulating switch. Just come and try our Intelligent Switching Multifunctional Anti-Radiation In-Ear Headset Earphone with MIC!