Description: An intelligent voice control key finder designed to help you quickly locate your keys. Equipped with a whistle for easy use by elderly and children. Simply attach the device to your keys, turn on the switch, whistle, and the device emits a dripping sound to help you find your keys anytime. Can also be used in bags or as a lost-proof device, and as a mobile phone attachment.
Effective range: Typically 8 to 10 meters, depending on whistle volume—the louder the whistle, the farther the range.
