1.EFFECTIVE UNDERWATER WARNING Easily transmit messages with a loud and audible signal. Just touch and shake to activate. Equipped with quick installation clips and integrated steel balls for optimal noise amplification. 2.GUARANTEED SAFETY For divers, our underwater noise maker is an essential accessory. Its robust design, 360 degree rotating hook and easy attachment to other diving equipment ensure a worry experience. , portable and ready for high immersion. 3.Enhanced Underwater Communication Our underwater noise maker helps you communicate with partners by shaking, which improves and fun. Whether it's attracting attention or giving directions, you can stay in touch and minimize confusion while keeping the peaceful underwater environment intact. 4.UNMATCHED DIVING Improve your underwater exploration with our noise producer. Made of durable aluminum alloy, ensures reliable performance and durability, ideal for divers looking for an unforgettable experience.