Bluetooth 5.0 Technology, 128 dB Sound, 400' Range, See Map Location, Ring Tracker from App, Ring Smartphone from Bluetooth Tracker, IP55 Waterproof Rating, Compatible with Virtual Assistants, Community Search Feature Find your misplaced items or even your smartphone with this black Tile Pro Bluetooth Tracker. With 128 dB of sound the Tile Pro is loud enough to hear no matter how noisy your surroundings are and with Bluetooth 5.0 technology you can track your personal items up to 400' away. This Bluetooth tracker works with the Tile app and shows you a map location of your personal item.If you misplace your phone you can use the Tile Pro to locate it. Simply press your Tile twice to make your phone ring even when it's on silent. You can even log into the Tile website to find it on a map or make it ring.This Bluetooth tracker comes with a replaceable CR2032 battery that can last for up to one year from activation. This battery is easily replaceable so you can do it yourself when its depleted. Additionally the Tile Pro is designed to withstand everyday damage and has been drop squish and tumble tested. It is even dust and waterproof with an IP55 rating.