secondstable color: orange yellow, black, please leave a message or contact customer service note i. stopwatch timing: in the normal travel state, press the m key to enter the timing state using the stopwatch. if the stopwatch is not zero, press the d key to stop the timing and press the s key to reset to zero. 2. time, calendar and noise display: in the normal travel time state, press d to display the month, day and week, and press s to display the noise time. 3. set time and calendar: press m to enter the time setting state 3 times in the normal travel time state. the display of seconds and week time is flashing at the same time. press s to select minutes, hours, days, months, weeks, and seconds as the adjustment objects. after adjustment, press the m key to return to the normal travel state. volume: 89*65 * 22.3mm one box: 400/ps.
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