Have a happy shopping! Description 1.Bluetooth Earphones was designed for sports usage , made by waterproof material, ergonomic innovative and waterproof sweatproof design, Ensures this headset i more→s comfortable and secure for sports ,running ,jogging ,walking ,exercising,etc. 2.BUILT-IN MIC - Stylish looks and built-in Bluetooth chip with HiFi Stereo earphones, ensures you could enjoy high quality stereo bass sound. Mini Portable Wireless headsets with built-in microchpone and great Noise Cancellation produces clear loud sound, convenient and easy to answer and end the phones. 3.Bluetooth Version 5.0 supports hands-free with earhook, it could connect two cellphones