Sony NS-WS623 is available only in the Black color.
No. Sony NS-WS623 does not have FM radio.
Yes, you will get a pair of normal earbuds and a pair of swimming earbuds.
Hold down the button (1) for 3 seconds.
You will hear the shutdown sound. Then, the Walkman and the lamp ( 2 ) will turn off.
Yes, it does have fast charging. Charge it for just 3 minutes and it will work for another 60 minutes.