The Sony NWZ-WS615 let you immerse yourself in your music no matter where you go by allowing you to stream music wirelessly via the Bluetooth. So now you are able to wear the latest wire-free design together with its lightweight and secure fit. The Sony NWZ-WS615 allows you to dive in with your favourite tunes. This waterproof headset can be submerged in as much as 2m of water for up to 30 minutes, so you can listen while you rack up the laps and bring your music anywhere. The headset is waterproof with an IPX 5/8 rating but it is not recommended to have any direct contact with sand or seawater.