Built-in microphone with hand free call allows you to answer or reject phone calls anytime and anywhere.</br>High performance surround sound provides wonderful experience while listening to music?? watching movies and chatting online?? etc.</br>Built in rechargeable safety lithium battery provides fast charging only 2-3 hours enjoy up to 10 hours music time / 10 hours talk time or 180 hours standby time.</br>Come with a 3.5mm audio cable without worrying battery dead.</br>Foldable design and adjustable length hinges?? make it convenient to carry and comfortable to wear.</br></br>Product Description</br></br><b/>FX-Victoria over-ear headphones?? featured