Product Description: Features: -- Classic design with variety of options; -- Environmental-friendly,durable & fashion looking; -- Universal 3.5mm jack fit all 3.5mm Phones Receive Calls; -- Ensues reliability safety during use; -- Takes customers ultimate experience as the starting point; -- Unique air tube technology offers 99% protection against EMF and RF radiation. Introduction: --The non-traditional sense of the ordinary headphone headset( The traditional ordinary headphones into the phone, the metal wire is introduced directly into their phones brain wave radiation , combined with high magnetic internal ear speaker load current amplification after prolonged use of the human brain can imagine the harm ). --It uses the principle of acoustic air- conduction sound tube , so that the radiation away from the vulnerable brain, no radiation within the ear and other electronic devices,the radiation effect is more likely to convince people. --Free cable, compatible with all 3.5mm phone. --The new "Intelligent switching mode" Module that allows you to bid farewell to switch wiring troubles,the real Samsung, Apple , HTC, MOTO, Sony Ericsson , Nokia, Lenovo, Huawei,ZTE, millet, Meizu , Amoi , grand , Coolpad one hundred of the most mainstream smartphone brand free cable, plug and play calls and achieve wire -enabled smart MP3 headphone wire