Double sided sheepskin, with inherent mixing effect in sound quality, can simulate the surging and surging waves hitting reefs, as well as the gentle waves brushing the shore, allowing you to feel the atmosphere of the ocean even in the city. You can use it for voice therapy and meditation, prayer, Buddhism, yoga, stress relief, balancing body chakras, adjusting our emotional state, and more. Help improve our attention, creativity, memory, cognitive integration ability, reduce anxiety, and alleviate work pressure.