Compatibility: All Compatible
Function: Key Finder
The whistle key finder can effectively help find the key, hung the key on the key ring provided by the whistle key finder, and then, when no key is found, blow a whistle and the whistle key finder will emit a loud engine roar. Remind yourself of the location of the key, and then follow the sound to find the key. The intimate design greatly facilitates life.
Of the several tragedies that may be encountered on a daily basis, finding the key should be one in which the incidence is relatively high, making people irritated - after the whistle key finder to prevent this tragedy from happening again: keep the key in whistle On the key ring of the key finder, then, each time no key is found, blow a whistle. The whistle key finder will emit a loud roar of the engine, reminding you of the location of the key, and then follow the sound in the past. Can find the key.
Usually you can turn it on the switch (switch on the back, "-" position is on, "○" position is off), it will not hear any sounds are reacting because it only whistles as well as various sharp The sound will only react. For other voices, laughter, etc. or daily noise, it will remain quiet until you hear the whistle, and the effective distance is 10 meters!
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