[Radiation Free Function] Metal shielded wire, dual sonic concentrator, no magnetic field radiation metal cavity, and the air tube, perfectly achieve 98% Radiation reduction, suitable for various people, like kids, pregnant women, etc. [Perfect Sound Quality] Built-in high-performance Microphone and Speaker, offering you perfect sound and clear communication effect. [Convenient to controlling your music and calls] The Headset is equipped with a function button which lets you easily controlling your music. It also supports hands-free with high-grade microphone, thoroughly setting free your hands from answering the call during driving. [Comfortable to wear] In-ear headphone, its earmuffs with soft and skin-friendly silicone is comfortable to wear, and can greatly insulate the sounds around you. [Fully Compatible] Uses international standard port (CTIA), high-quality 3.5mm plug is compatible with most 3.5mm audio devices such as, compatible with iPhone 6 6Plus 5S 5 For Samsung, Smart Phones, Desktop, Notebook, MP3 / MP4, tablet, etc. Specification: Model: FC32 Type: Earphone Material: Silicone 'Metal'TPE Color: Gold, Rose Gold(Optional) Impedance: 16Ω SPL: 114±3dB Speaker Size: 10mm Frequency Range: 20-20000HZ Cable Length: 140±2cm Air Tube Length: 16cm  Package Size: 19.5 * 10.5 *2.5cm / 7.7 * 4.1 * 1.0in Package Weight: 65g / 2.3oz Package List: 1 * Earphone