The world's best-selling Bluetooth tracker, easily attach Mate to keys, backpacks and bags. Use the free app (on iOS and Android) to ring your Tile Mate within 250 feet. If youre further away, use the app to view its most recent location. If you've lost your phone, tap the button on the Tile to ring it. Our high-performance finder has a 3 year battery and is water resistant. Your logo can be printed up to full color front and back, or print full canvas on the front of the Tile. Add custom sleeve or fully custom packaging.