1. Applicable objects: the elderly, children, keys, wallets, suitcases, etc. 2. Wide range of applicable scenarios, quick positioning, and quick retrieval. 3. Using high-quality Bluetooth chip, low power consumption and stable connection. 4. When the device is connected to the mobile APP via Bluetooth, use the search function of the APP to make the anti-lost device make a sound to find the items together with it. 5. MCU: ARM 32-bit processor, 2.4G Bluetooth 6. NFC：NFC forum type 2 tag 7. Sensor: three-axis acceleration sensor 8. Reminder method: buzzer/LED 9. Battery capacity: CR2032, 220mAh 10. Compatible systems: Applicable to Apple and Android systems 11. Protection level: waterproof 12. Battery life: 365 days
