Sony NS-WS623 is available only in the Black color.
Hold down the button (1) for 3 seconds.
You will hear the shutdown sound. Then, the Walkman and the lamp ( 2 ) will turn off.
You can check the charging status with the lamp ( 3 ).
While the battery is charging: orange when charging is complete: green
No. It does not have.
No. Sony WS623 comes with non-removable battery.