PERFECT FOR LISTENING: Comfortably?? Dynamic??HiFi.</br>Clear Bass: With Over-ear design and 40mm Loudspeaker??it perform rich clear bass. Noise cancelling/isolating feature help tune out the outside noise and pick up all music sound.</br>Cool Looking: Stereoscopic model and metallic-feeling soft polishing surface?? Glaring FLASHED LED LIGHTING are designed on the earcups bring concert experience.</br>Comfortable: Super soft leather ear muffs and adjustable padded headband bring every customer most comfortable wearing experience when work?? study?? travel.</br>Full Control: Answer and hang-up phone calls; play?? pause and skip music tracks and control the volume?? as well as to switch from bluetooth to TF card play or FM radio.</br></br>Product Description</br><"scription:</b><br><br> <b>As professional bluetooth headset seller?? we are glad to introduce the newest Bluetooth over-head headphones in our store!</b><br><br> With 44mm ultra-large dynamic drivers and Unrivaled Powerful Bass Resonance design?? it will let you feel the bass resonate deep in the chest. You could also notice the flashing light on the earbuds which bring you cool music experience. <br><br> Hope you will like it. If any other confusion?? please feel to contact us?? we will try our best to solve for you!<br><br> <b>Specification??</b><br><br> Bluetooth Version: 4.1<br> Battery Volume 300mAh<br> Charging voltage: DC5V<br> Loudspeaker Size: ??40mm<br> Music Time: About 4-6 hrs<br> Call Time: About 8-10 hrs<br> Microphone: Built-in<br> Working voltage: DC3.7V<br> Standard Charge Time: Approx. 2 Hours<br> Bluetoo