BLE Anti-lost Alarm,base on Bluetooth 4. 0 technology. Simple and handy. Design, easy to use. Fucntions: 1, Find mode 1, When your android device has connection with the alarm, you may easily. Find the alarm with your android device, and it's the same in reverse. 2, Anti-lost mode. When your alarm loss contact with the android device, both of them will.
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