Original Xiaomi Youpin Ranres Intelligent Anti-lost Device Two-way Search Bluetooth Alarm Smart Positioning Finder, Distance: 15m(White) Tag-For T-Mobile High quality battery back cover

High quality battery back cover replacement for Microsoft Lumia 950

Support standard windows multimedia keyboard

40HQ: 1637 cartons * 30 pcs = 49110 pcs

General Compatible with Samsung:  M3310

Product material：ABS

Original Xiaomi Youpin Ranres Intelligent Anti-lost Device Two-way Search Bluetooth Alarm Smart Positioning Finder, Distance: 15m(White) Tag-For T-Mobile High quality battery back coverFeatures 1. 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. 2. 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. 3. Open the Ranres App and see where the anti lost device was last disconnected for a bit more security. 4. The easy to use