This abs toner makes a rhythm and safe impulse on body, which can help gaining tighter muscle and achieving perfect figure by consecutive using. USB recharging can offer more stable and long last power than those similar products with batteries. NEWLY UPGRADED 3 in 1 multiple charging cable, can charge 3 devices simultaneously. There are 6 modes and 10 intensities available to help muscle growing and fat burning. then select a proper mode at a comfortable intensity level to train your muscles. The ABS toning belt is lightweight, thin, and wireless. Exercise while reading, watching TV or even during business or leisure trips.