Sony WF-C700N Truly Wireless Noise Canceling in-Ear Bluetooth Earbud Headphones with Mic and IPX4 Water Resistance, Black. Block out the world with the WF-C700N noise canceling truly wireless earbuds. Indulge in exceptional sound quality for a superior audio experience. Crafted for all-day comfort with lightweight materials and an ergonomic design. Features: NOISE CANCELING: Turn off your surroundings with Noise Sensor Technology and enjoy the immersive music experience. ALL DAY COMFORT: These small, lightweight headphones have an ergonomic surface design for all-day comfort, even for smaller ears. STAY CONNECTED: In Ambient Sound mode, the WF-C700N headphones capture more of the ambient sound around you, thanks to the feedforward mics, so you can enjoy a natural listening experience while staying connected to your environment. EASY HANDS- FREE CALLING: A built-in microphone provides you with hands-free calling. No need to even take your phone from your pocket. LONG BATTERY LIFE: Up to 15 hours of battery life with quick charging (10 min charge for up to 1 hour of playback). MULTIPOINT CONNECTION: Quickly switch between two devices at once. WATER RESISTANT: With an IPX4 resistance rating, splashes and sweat won?t stop these headphones ? so you can keep moving to the music. GIVE YOUR MUSIC A BOOST: Boost the quality of compressed music files and enjoy streaming music with high quality sound through DSEE. POCKET SIZED CASE: A cylindrical charging case makes it easy for you to store your headphones and carry them with you, wherever you go. EASY BUTTON OPERATION: Easily switch between Noise Cancelling and Ambient Sound mode with one push.