Sony WH-CH520C On Ear Headphones, Wireless, Bluetooth, Microphone, Multipoint connection, Quick Charge, 50 hour battery life, Beige Incredible sound and longer battery life Enjoy high sound quality all day long. The WH-CH520 headphones feature battery autonomy of up to 50 hours, stable connectivity and improved call performance to meet everyday needs. A listening experience just for you The Digital Sound Enhancement Engine (DSEE) restores the harmonies and intensity lost during ordinary music compression for a more authentic experience. You can also adjust the music to your taste with the EQ settings in the Sony | application Headphones Connect, for a personalized listening experience. Energy for whole days With battery autonomy of up to 50 hours, you can enjoy more music without worrying about running out of energy. And, if the headphones are discharged, a quick 3-minute charge will ensure up to an hour and a half of extra hearing. Extremely clear calls A built-in microphone allows you to make hands-free calls, as well as participate in an online course or a work meeting. Multi-point connection For total convenience, these Bluetooth® headphones can be paired with two Bluetooth devices at the same time. Thus, when you receive a call, the headphones know which device is ringing and automatically connect to the appropriate one. Designed for all-day comfort The design is elegant and created with ease of use in mind. The light construction and the pivoting cups are easy to put on and take off, and the headband, the padded area and the ear cushions will ensure comfort all day. 360 Spatial Sound PersonalizerWith the Sony application | 360 Spatial Sound Personalizer, you enjoy a sound experience optimized especially for you. The app records and analyzes the shape of your ear, which allows the headphones to create their own spatial sound field when paired with BRAVIA XR™ TVs. Dolby Atmos experience With a Sony WLA-NS7 wireless transmitter connected to a BRAVIA XR™ TV, the headphones create the ideal arrangement of phantom speakers around you so you can enjoy a Dolby Atmos experience. Let the scene captivate you and feel yourself in the center of the action. Stay in control with easy-to-use buttons Easy-to-use buttons allow you to control the headphones, to play, pause or skip through songs and adjust the volume, all with a single touch. Voice control Press the voice control button for Google or Siri assistance to solve daily tasks without stopping what you are doing, such as listening to your favorite songs, sending text messages or making calls, finding quick answers, managing your calendar and the reminders.