Fangrui Product Details 1. Compatible Xiaomi Youpin Ranres Intelligent Anti-lost Device Two-way Search Bluetooth Alarm Smart Positioning Finder, Distance: 15m 2. Features 3. The Anti-lost Device Has A Two-way Mutual Search Function, And Either Party Can Make The Other Party Issue A Prompt, 15m Long Transmission Distance. 4. When The Connection Distance Exceeds The Transmission Distance, Both The Mobile Phone And The Anti-lost Device Trigger An Alarm, So That You Do Not Forget Any Objects. 5. Open The Ranres App And See Where The Anti-lost Device Was Last Disconnected For A Bit More Security. 6. The Easy-to-use Ranres App Works Closely With The Smart Anti-lost Device. 7. Long Standby, Easy To Use Battery . 8. Simple And Slim Design With A Rounded Feel Of Cobblestones. 9. Specifications 10. Product Name: Ranres Intelligent Anti-lost Device 11. Product Model: Rw01mn 12. Product Color: White, Pink, Blue 13. Product Specifications: 42x42x8mm 14. Product Weight: 10g 15. Package List: 1 X Xiaomi Ranres Anti-lost Device