the arm can be fold when you change break to work
the back can be ajust any deg by the multifuction mechanism
can ajustable back lumbar support
The height of the chair can be adjusted according to the user's height
when you want to break,the footrest can be push out from the seat
+86 13802696502
sia@mzseat.com
+86 13026740027
Mingzuo13802696502