User Manual
8. Wireless settings and queries via Bluetooth
In the mobile phone APP, the module can be queried and set up by Bluetooth wireless, please refer to the
HLK-B40 Bluetooth transmission mode phone APP usage instructions.
9. OTA functionality
In the mobile phone APP, through Bluetooth wireless upgrade module firmware, the specific operation
please refer to the HLK-B40 Bluetooth transmission module mobile phone APP Instructions for use.
10. Contact info
Shenzhen Hi-Link Electronic CO.,Ltd
Address： 3F,Caiyue Mansion West gate,Liuxian Blvd,MinZhi
Street,LongHua District,Shenzhen,China
Phone：0755-23152658/83575155
Email: sales@hlktech.com
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