Stay connected and aware to people and places in everyday life, without ever having to pause your personal soundtrack. LinkBuds bridge your daily life and the entertainment you love, wherever you go, whatever you do.
Open ring design with audio transparency links your online and offline worlds
Ultra small, light weight and super fit
Hear calls and music clearly
5.5hr battery life, total 17.5hr with charging case, quick charging16
Splash-proof and sweat-proof with an IPX4 rating
More info: https://www.sony.co.uk/electronics/truly-wireless/wf-l900/specifications