Designed to be comfortable enough for all-day listening without compromising on sound. the WH-CH520 Wireless Headphones will give you style. versatility and usability. Available in four different colours they ll suit your style perfectly. and offer you a clear and reliable sound. whether you re listening to music or making phone calls.Your sound. just how you like itTailor sound to your personal preference by choosing from a variety of pre-sets to match sound quality with the genre of music you're listening to. Or create and save your own pre-sets using the EQ Custom feature on the Sony Headphones Connect app.Make your music more naturalWhen an original music source is compressed. it loses the high-frequency elements that add detail and richness to a track. Our Digital Sound Enhancement Engine (DSEE) faithfully restores these to produce high-quality sound that s closer to the original recording.Certified headphones for a personalised experienceWith 360 Reality Audio certified headphones and the Sony Headphones Connect app. optimise your experience by analysing your individual ear shape. and enjoy the ultimate immersive music experienceStay powered up for daysWith up to 50 hours of battery life. you can listen to your favourite music without worrying about running out of charge. And. if your headphones battery is running low. a 3-minute quick-charge can give you 1.5 hours of listening time. Enjoy all day comfortWith an adjustable headband. soft earpads and lightweight design. you can find your perfect fit and stay comfortable for longer.Easy hands-free callingEasily answer calls with one click of the buttons on the earcups. so there's no need to take your phone from your pocket.Built-in mic for clearer callsWith a high-quality built-in microphone and noise suppression processing. the WH-CH520 reduces ambient noise during calls so you can make clear calls even in noisy environments. Not only for listening to musicWhether you are listening to music. in an online class or working from home. your headphones will deliver high-quality sound performanceMultipoint connectionFor total convenience. these Bluetooth headphones can be paired with two Bluetooth devices at the same time. So when a call comes in. your headphones know which device is ringing and connects to the right one automaticallyFind your headphones with Fast PairIn one tap. the WH-CH520 enables quick. effortless Bluetooth pairing with your Android devices. You can even check to see where you last placed it.Easy pairing with your computerSwift Pair makes it quick and easy to pair your headphones with your Windows 11 or Windows 10 laptop. desktop PC or tablet. Pop-up pairing guidance appears on nearby Windows 11 or Windows 10 devices when pairing mode is selected. Keep control with easy-to-use buttonsAn easy-to-use selection of buttons help control your headphones. meaning you can play. stop. or skip through your tracks and adjust the volume. all with a tap of your finger.Voice controlPress the voice button to get help from Google or Siri to get things done without stopping what you re doing like playing your favourite songs. texting and calling. getting quick answers. and managing your calendar and remindersSelect the colour that suits your styleWith a choice of black. blue. white or beige you can choose whichever suits you best and enjoy comfortable texture and quality.Take your music wherever you goThe compact. lightweight design and swivel earcups make the headphones the perfect companion for all of your travels.Sustainability in mindOur products are not only designed to be stylish. but with the environment in mind. Recycled plastic is used in the WH-CH520 headphones. Also. no plastic is included in the individual packaging. These headphones reflect Sony s commitment to reducing the environmental impact of our products and practices.