Player series – PU Leather, Wider & taller back, Spoked wheels.
Premium series – Polished aluminum wheelbase, Wider backrest frame, Spoked wheels.
ProX series – King size seat & backrest, Wider wheels, 4 Dimensional arm rests (back forth, up down, rotation).
All models include a tilting function in the back and a rocking function unlocked by the mechanism.
All models also includes a neck pillow and a lumbar cushion.
The specifications for each different chair can be found on their respective product page.