ZHT Electronic Whistles for Referees with USB Charging, 3 Tone High Volume Emergency Whistle for Referee Coaches Teacher, Outdoor Camping Hiking Boating Safety Whistles with Lanyard.

Welcome to our store. If you love Sports and Outdoor Activities ,we will provide what you want, and give your much surprise. The restricted independent lithium battery is prohibit in selling product. Description: Sport Electronic Whistle, 3Tone, 120 dB, Specific DirectionLouder than standard whistles, whistle sound can be aimed in specific direction away from userThree distinctive tones helps players differentiate between coaches and officials during sporting events and team practicesSinglehanded operation decreases germ sharing, improved hygieneFor sports activity, referee, coaches, teachers, ball games and boating, running, animal training, camping and other outdoor activitiesComes with detachable wrist loop lanyard Specification: Material: ABS Size: 136*40*38mmcolor: BlackWeight: 97gDecibel: 120dbSound mode: 3 toneschargetime: 34 hoursWorking time:2 hoursVolume adjustment: each tone sound have 3 volumes.