Huloretions Electronic Whistle, Battery Operated Whistle Whistle Sounds with Lanyard Handheld Electronic Whistles for Referees Volleyball Coaches Teacher, Soccer Sports Whistle

Description?
Product category: outdoor whistle
Material: ABS + electronic components
Specification: Rechargeable
Battery capacity: 1200mAh
feature:
1. Three levels of adjustable volume, cylindrical sound gathering, electronic pronunciation key press to pronounce
2. USB charging cycle is more durable, no need to replace the battery, USB charging anytime and anywhere charging is convenient, charging is not cumbersome, charging is red perspective light, charging is green perspective light
3. Super capacity, super long endurance 1200mAh, large capacity original battery cell, super long endurance, energy-saving, each charge only takes 3-4 hours, according to the use frequency of 100 times a day, 3 seconds each time, one charge can be used for nearly 40 days
4. ABS material, comfortable grip, durable
5. Three kinds of sound effects switch to meet your needs in various occasions
6. Exquisite hanging rope, comfortable handle, easy to carry
packing list?
1 * electronic whistle
1 * battery (installed in the product)
1 * USB charging cable
1 * hand rope
1 * English manual
Note:All images and descriptions are for illustrative purposes only. The color deviation is subject to actual system configuration and slight dimension difference is allowed due to manual measurement.