High-Precision Mini Electronic Whistle for Sports Officiating
Ultra-lightweight ABS polymer body with reinforced chrome-plated brass core for durability and corrosion resistance. Ergonomic finger grip design with non-slip silicone coating ensures precise control during intense games. 120dB super-sonic frequency projection cuts through crowd noise, optimized for basketball courts and outdoor sports fields. Waterproof IPX4 rating withstands rain and sweat, backed by military-grade shock absorption technology. Replaceable lithium battery (CR2032) lasts 50,000+ clicks, includes 3 backup batteries for referees/coaches. FIFA-approved acoustics with dual-tone modulation (2.8kHz/3.5kHz) for clear foul calls and play resumptions. Includes adjustable lanyard and microfiber cleaning cloth—ideal for professional leagues, school tournaments, and training camps.