Best BLE tracking device with location track function

- Find & anti-lost function, Location & photo tracker function,  LED and buzzer indication

- Replaceable coin battery

- External ON/OFF push button to save the battery lifetime

- Ultra-low power consumption chipset nRF51822 with ARM core

- Portable device, keychain and neck string available for optional

Firmware support:

> Bluetooth low energy anti-lost device
> Bidrectional alarm
> Location & Photos tracker
> Multitasking management