Folded backrest can be electrically adjusted 125°-160°.

Functions of vibration: Vibrating functions hiding in the two sides of waist&back,buttocks, thigh and calfrest.  

Offered 12 air pressures: With air pressure massage on the waist ,the waist&back buttocks and thigh.  

VFD screen, MP3 player, Sound box inside, Earphone.