1. Battery: CR2032 2. Working voltage: DC 3.0V 3. Bluetooth: 5.2 4. Wireless distance: 40m (open visual distance) 5. Buzzer built-in: 75db (at 10cm) 6. Working temperature: -5 to 45 degrees Celsius (23 to 113 degrees Fahrenheit) Working humidity 95 (no condensation) 7. If your lost item is within the signal range, the "Find My" network connected to the iOS device will guide you to find nearby or update the location of your items 8. When the luggage tracking tag is within the Bluetooth range, you can use the "Find My" application to locate the lost item 9. The built-in speaker (100dB) will beep loudly to help you find the item 10. When the tracker is out of Bluetooth range, a notification will pop up on your phone 11. Size: 36x36x7.5mm
