?Worry-Free Service?We provide 60 days free return service ,please safely to choice mu6 headphones, If you have any problems during your use, please contact us directly via your order.we will reply and solve your problem at the first time. ?9 Hours of Music and Calls?190mah battery capacity allows you to enjoy ten continuous hours of music, calls and podcasts with our bluetooth headphones. also features a 15-minute quick charge for up to 1 hours of battery life. ? Fast and Stable Connectivity?Mu6 headphones can multipoint pairing compatible with Bluetooth-enabled iOS and Android smartphones, tablets, PCs and laptops. The maximum wireless connection distance of 15 meters ensures high fidelity stereo sound quality and stable performance. ?Excellent Sound Quality?Different from bone conduction headphones, mu6 headphones is powered by air conduction, which causes no damage to the original sound and helps normal individuals hear the tone better, If you seek excellent sound quality and open-ear comfort, mu6 will be the best choice for you. ?Open Ear Comfort?Void the discomfort of in-ear headphones with our open-ear design,which allows you to listen to the surrounding sounds while enjoying music, also offering a bud-free, pain-free wear for your all-day listening.