Keelin BTT01, Руководство пользователя

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7
connection is established with the
APP, Blue light will light up once,
indicating that the connection is
successful; when the device is
disconnected from the APP, the red
light will light up once.
●
When the device is in an alarm
state (temperature over run, low
battery level, etc.), the red light
flashes quickly.
Note: When the battery voltage is lower
than 2.5V, Blue LED is not on, please
replace the device in time.
BLE APP Application
•
APP download
Open BLE on the cellphone,run Beacon
Cloud APP
（
Download APP from the
website or APP Store
）