Round Bluetooth-compatible Prevent Loss Device Key Article Finder Mobile Phone Search Two-way Reminder - AliExpress

Intelligent Portable Pet Phone APP Positioning Circular Bluetooth Anti-lost Device Two-way Search Bidirectional Reminder Alarm - AliExpress

4PCS Bluetooth Tracker Wireless Smart GPS Tracker, Anti-lost Anti-Theft Alarm Device Tracker GPS Locator Key/Dog/Cat/Kids/Wallets Finder TracerKey Locator APP Control Alarm Sensor Devices

Anti Loss Tracker Wallet Keys, Smart Wallet Tracker Gps

Pet Anti-lost Location Tracker, Gps Tracker Key Finder

Anti-Lost Key Finder GPS Tracker Locator KeyFinder Smart Tag Alarm Tracer Finder for Wallet Phone Passports Reminder - AliExpress

Gps Keychain Anti Lost Alarm Bluetooth Keys Smart Tag Anti Lost Tracker Gps - Mini - Aliexpress

ATUVOS Luggage Tracker, Key Finder, Smart Bluetooth Tracker Pairs with Apple Find My (iOS Only), Item Locator for Bags, Wallets, Keys, Waterproof IP67, Anti-Lost 2 Pack

What is a small device that I could schedule to beep at certain times every day that would fit on a keychain or cat's collar? The smaller the better. - Quora