TRIACLE TRIAT112 - Device Settings and Power; Brightness Adjustment; Device Information; Power Off Procedure

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Brightness
Long press the touch key to adjust the brightness, there are two
levels of brightness can be adjusted.
About
Press and hold the touch key to check BT Mac address, device
name and firmware version of your Fitness Activity Tracker
Wristband.
Power Off
Press and hold the touch key to turn off the Fitness Activity
Tracker Wristband.