Chipolo Bluetooth trackers help you to find your lost valuables. The trackers work with an app on your smartphone. You simply attach a Chipolo Bluetooth tracker to your key ring, backpack, or wallet. You can switch on the sound signal via your phone to find your lost items. There are different Chipolo product lines, each with its own usage situation. You can attach the Chipolo Classic to your key ring with a ring, while the Chipolo Card fits in your wallet.