1. Smart location tracker:&nbsp; &nbsp; &nbsp;Easily through mobile phone location and voice prompts to help you find your wallets, pets, keys, luggage, etc.&nbsp;&nbsp;2. Works with Tuya and Smart Life:&nbsp; &nbsp;&nbsp;Used your phone APP Tuya or Smart-life to help you locate your items, and also can achieve two-way positioning between your phone and this finder&nbsp;3. Blue stable link&nbsp; &nbsp; While connecting the device to the mobile phone, the built-in super 5.0 series BLUE chip can quickly find it, and the link range is up to 50M4. Two-way search&nbsp; &nbsp; &nbsp;Mobile phones can look for anti-lost devices, Anti-lost devices can also find mobile phones&nbsp;5. Can the battery be replaced and the standby time is longCR2032 batteries are commonly used in the world and are easily available in supermarkets. This product comes with a battery. It can be easily replaced. Battery life is 3-6 months.&nbsp;6. Ring Smart Finder&nbsp; Click the bell icon in the app to ring the smart finder which can be attached to your valuable items like keys, wallets, purseluggage, cameras, bikes tablets, backpacks, etc.&nbsp;7. Ring Your Phone:&nbsp; &nbsp;Double-click the button on the smart finder to ring your phone. This can help you find your phone in seconds, even if it's in silent mode

Bluetooth anti-loss device mobile phone key locator bidirectional finder Doodle chip intelligent products-BLACK