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.
No. It does not have remote control.
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.