LEFEET S1 is an underwater thruster. The target user is diving enthusiasts. Its light and compact design is easier to carry. It can provide you with sufficient power at the deepest water of 40 meters. It is suitable for snorkeling, free diving, scuba diving and other underwater activities. The modular design can combine two LEFEET S1 Pro through official accessories to obtain double underwater power. Diversified accessories S1 Pro can be used not only for hand-held use, but also for fixing LEFEET S1 Pro on diving cylinders and wearing on thighs. It can even be connected under a standing paddle (SUP) to provide propulsion power to the paddle.