Product Information Function: display time, date. Size: Diameter of the case approximately 4.2 cm. The thickness is about 1.0 cm. Board length: the total length is about 4.2 cm. Strap: high-quality silicone. Case: stainless steel electroplating. Waterproof: three degree waterproof grade Use the setup instructions: 1. Touch the screen to start the display, the LED light shows the time, touch again to turn the date 2. In the time or date display status, press and hold the display for 5 seconds until the LED light flashes and enter the time setting status. At this time, the time light flashes, touch the screen for an hour, and set the time; Press and hold the screen again, the light of the minute flash, touch the screen for one minute, and set it in minutes; The long press on the screen, the month light flashes, touch the screen more than one month, the month is fixed; Press and hold the screen again, the light of the date flash, touch the screen more a day, and the date is fixed well. Do not touch the screen, it will automatically exit the setting state after 5 seconds.
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