Description Customized for all your music preferences The EQ Custom feature on the Sony | Headphones Connect App tailors sound to your personal preference. Choose from a variety of presets to match sound quality with the genre of music you’re listening to. Or create and save your own presets. Designed to be lightweight Designed with comfort in mind, the WH-CH520 headphones are lightweight and feature soft earpads, additional head cushion and silent joints so you can enjoy your favorite music and podcasts all day long. Easy Hands Free-Calling Conversation flows freely with easy hands-free calling, thanks to the built-in microphone. No need to even take your phone from your pocket. Multipoint connection For total convenience, these Bluetooth headphones can be paired with two Bluetooth devices at the same time. Simply switch from a video or song on your laptop to a call on your cellphone, so that you’ll never miss a call. Swivel design Swivel design for compact and easy carrying Voice assistant Just say “OK Google” or “Hey Siri” to activate your preferred voice assistant. Fast Pair Easily find your missing headphones by sound or check their last known location in Google’s Find My Device app on your smartphone. Digital Sound Enhancement Boost the quality of compressed music files and enjoy streaming music with high quality sound through DSEE.