ALL-DAY COMFORT: The small and lightweight ergonomic design is made with your comfort in mind – even for smaller ears – so you can focus on your music for as long as you like with these ear buds NO DISTRACTIONS: It’s just you and your music – use Digital Noise Cancelling to cancel out background noise or Ambient Sound Mode when you need to stay connected to your surroundings HEAR EVERY BEAT IN HIGH QUALITY: DSEE upscales each track for authentic vocals and powerful bass, you can personalise your sound in-app, and enjoy our immersive 360 Reality Audio Certified experience CLEAR, RELIABLE CALL QUALITY: The Wind Noise Reduction Structure of these Sony earphones even delivers your voice clearly outside on a windy day MULTIPOINT CONNECTION: These Bluetooth earphones can be paired with two devices simultaneously (compatible with Android, iOS, Windows and MacOS - not limited to just Sony devices) LONG-LASTING BATTERY: Designed for everyday use, enjoy 15-hour power with Noise Cancelling ON (or 20 hours with it OFF), quick charging, IPX4 water resistance, and smart features for your convenience