Nuband NU-G0020, Руководство пользователя

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13. OTA Upgrade
Attention: the phone screen must kept lit when using this function.
When the band and the App is connected for the first time, please check if the
firmware is updated to the latest version. Update can be completed in device
state.
There will be an upgrade reminder in the App when a new firmware is uploaded
to the server.
(“Device” “Device Setting” “Firmware Version”)
14. Nuband Flash HR Parameters
Battery : Built-in rechargable lithium battery Screen : OLED 0.96” inch
Battery capacity : 75 mAh Waterproof level : IP67
Bluetooth : Bluetooth 4.0, working range 10 ~15m
System requirment : Bluetooth 4.0; IOS8.0 or above;
Selected Android devices using Android 4.4 or above