No, they're all flushed when they leave the factory.
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Huawei Wristband 7 is used directly
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01 When your watch battery is only 10%, the watch screen will display a low battery icon and vibrate to remind you that you should charge.
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02 Take out the charging base and USB cable of the wristband, as well as a standard charger (the wristband uses a 5V charger to charge, and the charging current can be 0.5A, 1A, 1.5A, 2A), connect and plug it into the socket.
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03 Align the charging port on the back of the wristband with the metal contact of the charging base, insert the raised part of the charging base into the positioning hole of the wristband, and then firmly close the card QQ
Yes, the Huawei sports watch also needs to be charged, but the standby time of the Huawei sports watch is relatively long, and a charge can be used for about ten days.