Host: Time LED display. Timing function: time 5-30 minutes. Fixed-point button: chest positioning. Emergency release button: press to release the air quickly. Two modes for breast beauty: 5 levels of strength. P1 shaping mode (automatic suction and release); P2 beautiful breast mode (gathering and shaping). 4 modes of electrotherapy: 8 levels of intensity. H1 low-frequency pulse; H2 tremor and numbness; H3 micro-current acupuncture; H4 comprehensive mode.