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Sony NW-WS623 Waterproof Bluetooth Headset Questions & Answers

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

Yes, you will get a pair of normal earbuds and a pair of swimming earbuds. 

No. It does not have remote control.

Yes, it does have fast charging. Charge it for just 3 minutes and it will work for another 60 minutes.