Bestbuy offers Insignia Locator Tag for iOS, iPadOS, and macOS for $13 (reg $30) with free shipping.

Product Description:
Ideal for travel days or the keys you regularly misplace around the house, this Insignia Locator Tag for iOS, iPadOS, and macOS with Apple Find My App (4-Pack) will help you quickly find the items you’ve attached to it. It uses Bluetooth and Apple network technology to show its location on the Find My app and plays audible alerts when you’re within range to help find a missing bag or keys.

• Location tracking tag using the Apple Find My app
  Compatible with iPhone and iPod touch models using iOS 14.5 and newer, iPad models using iPadOS 14.5 and newer, and iMac and MacBook models using macOS 12.5 and newer.
• Bluetooth 5.1 and Apple network technology
  Find your missing or lost luggage, backpacks, purses, keys, or other personal belongings. The distance range works within 65 ft. indoors and up to 164 ft. outdoors.
• Small, lightweight design
  Easily toss into your bag or attach with the included keyring.
• Audible buzzer
  Alerts when you are within range of your missing item.
• MFi certified
  Approved by Apple to work with the Find My app and network.
• Brought to you by Best Buy
  Insignia brings you affordable, dependable products with all the features you need.
• Removable Battery
  CR2032 Battery Lasts up to 1 Year