Wireless Bluetooth Player Ring Remote For Sony NWZ-WS613 WS615,NW-WS623 WS625
RMT-NWS10
Compatible with recent music players with Bluetooth
Switch from your finger
Stay in control and move with a compact, splashproof remote. Attach it to your finger or a wristband to easily change tracks as you exercise – whatever the weather.
Link to manual
https://helpguide.sony.net/dmp/nwzws610/v1/en/contents/TP0000428520.html
