About this item Noise cancelling technology to immerse yourself in music. Experience all-day comfort with our ergonomic surface designed earbuds. Unleash exceptional sound for a captivating listening experience. Hands free calling that’s clearer than ever before. Up to 15 hours of battery life with quick charging (10 min charge for up to 1 hour of playback). With an IPX4 rating, splashes and sweat won’t stop these headphones. Boost the quality of compressed music files and enjoy streaming music with high quality sound through DSEE. A pocket-sized case makes it easy to take your headphones with you. Easy button operation allows you to switch between Noise Cancelling and Ambient Sound mode with one push. Multipoint connection allows you to quickly switch between two devices at once.