"Highlights:
<br />1.SWEATPROOF - S4 Bluetooth Earphones was designed for sports usage ,
<br />made by waterproof material, ergonomic innovative and waterproof sweatproof design,
<br />Ensures this headset is comfortable and secure for sports ,running ,jogging ,walking ,exercising,etc.
<br />
<br />2.BUILT-IN MIC - Stylish looks and built-in Bluetooth chip with HiFi Stereo earphones,
<br />ensures you could enjoy high quality stereo bass sound. Mini Portable Wireless headsets with built-in microchpone
<br />and great Noise Cancellation produces clear loud sound, convenient and easy to answer and end the phones. "