1,3built-in workout program and body fat scan(measure body fat) 2,Anti-jamming and antistatic 3,Input Voltage:90-110V,220-240V Crazy fit massageDescription: 1) Maximum power: 300W 2) Speed range: 20-50 levels (1-50 levels) or (1-20 levels)3) Max. user weight: 170kgs 4) Readout: time, speed, body fat 5) Function: 3 built-in workout programs and body fat scan 6) Feature: Anti-jamming and anti- ...