INTRODUCING THE SONY WH-CH520: Enjoy superb sound for every song, in a style that suits you, Featuring our Digital Sound Enhancement Engine (DSEE), and so much more HIGH-QUALITY SOUND, TAILORED TO YOU: These Sony headphones feature DSEE technology to upscale every track, 360 Reality Audio, and a customisable 5 band EQ in the Sony | Sound Connect app LISTEN IN COMFORT AND STYLE: With soft earpads and weighing just 147g, these wireless headphones are comfortable, Choose Black, White, Blue, Beige, Pink, or Yellow to match your look LONG BATTERY LIFE: Delivering up to 50 hours of battery life, you get power for days with these Bluetooth headphones, A quick 3-minute charge provides up to 90 minutes of playback CLEAR CALLS, AUTOMATIC CONNECTION: The Sony WH-CH520 headphones capture your voice clearly, Multipoint Connection pairs two Bluetooth devices at once and seamlessly switches between them QUICK, EASY CONTROL: Use buttons on the earcups or the Sony | Sound Connect app to control the WH-CH520 headphones, Swift Pair and Fast Pair make connecting to your devices simple