KeySmart Max – Brighter. Louder. More Powerful Than Ever. Locate your lost keys & phone: Use the free Tile™ app and 150ft bluetooth range to locate your keys on a map 2x louder ringtone: Make your missing keys ring to find them faster Make your lost phone ring, even on silent! Organize up to 14 keys & easily attach car key fob & other tools with included black loop ring 2x more powerful rechargeable battery with included micro-USB cable (lasts up to 60 days depending on use) Includes 2x brighter flashlight & free multi-tool