JTD Rechargeable Key Finder, Wireless RF Item Locator, Remote Control Tracker for Keys Phones Pet Collars Remote Controls Luggage [KF-05-C]

From keys to shoes, these handy dandy super light and small rechargeable trackers can be placed anywhere and everywhere. Stick one to the back of the remote. Put one in the eyeglass case. Stick one on the back of the cell phone. Drop one in the shoe. Put one in the coat pocket. Attach one to the pet's collar. Of course, attach one to the keys. All you need are extra batteries for the remote and the ability to charge each tracker using USB.