Top features:- Extra Bass gives you deep sound for more satisfying music- Wireless streaming and remote control with Bluetooth- Long battery life lets you listen all day- Find the right fit with different-sized eartipsExtra BassSony Extra Bass MDR-XB70BTL Wireless Bluetooth Headphones sound powerful, even for an in-ear model.Extra Bass fills out the low end so you can feel those heavy beats, pulsing bass lines and crunchy guitars. Get more enjoyment from your favourite music, whether it’s dance, rock or classical.Wireless streaming and remote controlBluetooth lets you stream music wirelessly from your smartphone, tablet, computer or sound bar. Enjoy songs from different sources and libraries, so you can make the most of your headphones.Take calls and hang up without reaching for your phone. Adjust volume levels and skip tracks with the in-line remote control, letting you tailor your music experience to how you want to listen.MDR XB70 Headphones feature a neckband design, so there are no cables to get in the way. They’re great for listening while you commute, walk or move around the house.Long battery lifeListen for up to nine hours – Sony XB70 Bluetooth Headphones feature an internal battery that you can recharge via USB.Find the right fitChoose the eartip that fits your ear best from four different sizes included in the pack. Stay comfortable all day long with a lightweight headphone that sits comfortably around the back of your head.