Features:<br /> This wireless bluetooth earphones is designed for sports usage ・ made by Metal material・ ergonomic innovative and  sweatproof design ensures this headset is comfortable and secure for sports ・running ・jogging ・walking ・exercising・etc.<br />Stylish looks and built-in Bluetooth chip with HiFi Stereo earphones ensures you could enjoy high quality stereo bass sound.<br />Mini Portable Wireless headsets with built-in HD microphone and great Noise Cancellation produces clear loud sound・ convenient and easy to answer and end the phones.<br />Bluetooth Version 4.1 supports hands-free with earhook・ it could connect two cellphones simultaneously・easy to pair.10 meter Bluetooth cover range. Compatible with most Smartphones・ iPhone・ iPad・ iPod・Android Phone All Bluetooth devices.<br /><br />Technical specification:<br />Bluetooth ver: 4.1 CSR<br />Talk time: 6h<br />music time: 7h<br />Standby time: 200 hours<br />Charging time: 1.2 hours<br />Mic: Yes<br /><br />Package: <br />1 x Bluetooth headphone                     <br />1 x USB Cable                     <br />1 x Earplug<br />1 x Gift retail box