The Valkeen is considered the loudest whistle available by most professional referees. It has a super loud, high pitch sound that carries far inside and outside of stadiums. Furthermore, its unique flip grip mechanism enables instant whistle access while on the run.

FEATURES
• Dual sound chambers (4.15 kHz & 3.67 kHz) create a unique sound
• Clear-cut, high-pitched tone carries over long distances
• Superior quality and extremely loud
• Unique Flip Grip mechanism (3 sizes included) for instant access while running
• Adjustable neck lanyard included
• Available in black

MATERIAL
• ABS plastic encasing a metal chamber