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Sony NW-WS623 Waterproof Bluetooth Headset Questions & Answers

Hold down the button 1 for 3 seconds.

You will hear the startup sound.

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

Customer Also Asked

Sony WS623 has 4GB internal memory and you can further expand it up to 16GB with the help of MicroSD card. 

No. Sony WS623 comes with non-removable battery. 

Yes, Sony NS-WS623 is meant for the rough usage and it is both - waterproof and dustproof.

Sony NS-WS623 is quite light weight. It weighs just about 32 grams.