Proberos® Whistle for Sports Coach with Lanyard, Professioinal Sports Whistles, Whistle High Sound, Hyper Whistle for Referee, Coaches, Sports, Life Guard, Self Defense, Survival, Emergency uses

PREMIUM DURABIITY: The whistle is made of premium anti-impact ABS plastic, lightweight and durable.. 120 HIGH DECIBEL: Crisp and loud whistle. No like traditional whistle with built in vibreating core. This high pitch whistle makes crisp sound and high pitch tone through the air viberation thanks to the air vents on the 2 side design. No matter indoor or ourdoor use, the whistle can be heard by people.. COMPACT AND PORTABLE: 2.75*2*0.6cm in size, also with a metal keychain, you can hang it on any hook, or carry it with.. COMING WITH LANDYARD & KEYRING DESIGN: Free your hand, whistle comes with a black lanyard. Adjust the bead to adjustable the length of the lanyard for your convenience. Also with a keyring on the whistle allow you can also attach it on your keyrings.. WIDE APPLICATIONS: This whistles are great for referees, coaches, training, teachers, survival, emergency, school, gym, etc.