- HIGH DECIBEL: The diving whistle can be used on water with a decibel of up to 130 , easy to be noticed by people
- LIGHTWEIGHT AND PORTABLE: Dive whistle is small and lightweight, easy to carry, store, and use
- APPLICABLE SCENARIO: whistle can continuously in night diving, cave diving, or low light environments at greater depths
- WIDELY USED: diving safety whistle can be hung on a backpack, keys, and used as a diver personality accessory
- SMOOTH AND : The high decibel diving whistle is made of ABS and stainless steel with smooth , comfortable feel and