; The world’s smallest and lightest, noise cancelling, Hi-Res Truly wireless headphones Disclaimer in discription ; These Sony headphones give you the best of both worlds: natural ambient sound when you want to interact with your world and high quality noise cancelling when you need to focus ; Enjoy High-Resolution Audio Wireless and crystal-clear phone calls on these Bluetooth headphones ; Smart features deliver an effortless listening experience Speak-to-Chat will automatically pause the music when you start a conversation, the earbuds include intuitive touch control, and more ; Up to 20hr battery life and IPX4 water resistant ; Linkbuds and Linkbuds S : Firmware update now available ; ; ;