USB charging multi use electronic whistle (single tone), for sports - coach & teacher, for self-defense - women & elderly, for survival - camping & hiking in emergency
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<b>[Product Information]</b><br>
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<li>ELECTRIC WHISTLE: Hand operation offers improved hygiene, can give verbal command and sound whistle simultaneously.</li>
<li>USB CHARGING: No longer have to change batteries. (built-in Li-Polymer battery)</li>
<li>HEAVY-DUTY: Made in Korea, ABS body is more durable than normal plastic devices.</li>
<li>LOUD ENOUGH: Sounds high-pitched, helps call for assistance in emergency and self-defense from animal attack (100db tested from 1m distance).</li>
<li>LED FLASHLIGHT: Bright white LED mini flashlight for low light or at night.</li>
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