Don’t want to miss any phone calls even when you are doing sports? Wear this Stereo Hands-free Calling Bluetooth Sports Ear Buds! The in-ear style will provide you with firm and tight holding， so it won’t easily drop out even you are making big movement. The hands-free answering design enables easy phone talking， very convenient. Also， you can use it for listening to music during sports， which is very delightful and enjoyable. The stereo effect will bring you wonderful music experience. Get it right now to enjoy the convenience! It won’t let you down!                                    Features             Bluetooth function with high sensitivity to transmit signal timely and accurately<br> Considerate design to provide firm holding， especially suitable for listening during sports<br> Low power consumption for long working time<br> Hands-free calling function for easier phone talking<br> Lightweight and comfortable for wearing<br> Attached with a USB cable for charging and four rubber rings for replacement   <br>                                                            Specifications             Dynamic Drivers     6mm    <br> Sensitivity     104dbB spl/mW @1KHz     <br> Frequency Response     20Hz-20，000 Hz     <br> Music Controls     AVRCP    <br> Audio Streaming     A2DP     <br> Bluetooth     V3.0+EDR     <br> Total Harmonic Distortion                             Package Includes            1 x Wireless Ear Buds<br>1 x USB Cable<br>1 x User Manual <br>4 x Rubber Rings<br>