Equipped with the up-down movement, four-wheel driven massage mechanism with muted voice design Automatically checks the upper body massages points, shoulder position check and adjustment program Nine kinds of traditional classic massage functions to imitate the human hand sense Massage functions: kneading, knocking, flapping, shiatsu, stretching, synchronous kneading and knocking, pressing, heat treatment and vibrating Designed with 3 auto massage functions for the upper body Manual massage mode, the massage functions all can be selected and the intensity, speed, width and position all can be adjusted Designed with air pressure massage function of the lower body (35 air bags are equipped inside) MP3 music function: the back mechanism massage speed and vibration intensity are changed along with the frequency of the music Backrest and footrest ascending and descending function Equipped with a jade heater in which 5 helium-neon bulbs uses five jades as infrared emitter 5 to 30 minutes auto-timer function Automatic restoration function when turn-off the machine Temperature: 40 to 70°C Voltage: 110 to 120V AC, 60Hz 220 to 240V AC, 50Hz and 220 to 240V AC, 50/60Hz Power consumption: 180 to 240W Rated time: 15 to 30 minutes Implementation of the standards: GB-4706.10 CE and RoHS compliance Carton size: 123 x 76 x 76mm