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Sony NW-WS623 Waterproof Bluetooth Headset Questions & Answers

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Sony NS-WS623 is available only in the Black color. 

Hold down the button 1 for 3 seconds.

You will hear the startup sound.

When the Walkman turns on, the lamp (2) lights up.

You can check the charging status with the lamp ( 3 ).

While the battery is charging: orange when charging is complete: green

No. Sony WS623 comes with non-removable battery.