About this item Upgraded smart tracker features advanced chip technology, enabling real-time tracking of your valuable items. After receiving the key finder, you can refer to the manual or our illustrated instructions to successfully connect it to your Find My app. Within Bluetooth range, you can play a sound or wake up Siri to hear the product emit a 80-100 decibel beep, helping you quickly locate the item. When you are out of Bluetooth range, your smart tag will send a reminder to your device with the last known location of the item. Dimensions: 2.83 x 2.76 x 0.67 inches.