Notice: The wristband contains magnatic component, he who is installed a pacemaker, or have implanted electronic devices, or metal, please do not use it. Please stop using it when any discomfort symptoms happen. If use substandard charging power supply, will shorten the battery life, and even damage the battery. We reserve the right to modify the User Manual without any notification. It is normal condition if some functions differs from different app versions. FREQUENTLY ASKED QUESTIONS Does DFit wristband fit for my wrist? DFit bracelet diameter is 17cm to 22cm. You can adjust the bracelet length according to your wrist. Do I need a smartphone to use DFit wristband? To configure and sync DFit you'll need the HPlus Watch App, which is available for iOS and Android smartphones. App download QR Code and address are in the instructions. How to turn on/off DFit wristband? View the product picture first. Touch buttons are hidden in the time following. Long press the touch key 4 sec to turn on the wristband. When power icon and "DFit V..." shows on the touch screen, long press the touch key 4 sec to turn off the wristband. How long is step count shown on DFit wristband? After walking 10 steps, you can get step count on DFit wristband. What should I do if I'm getting inaccurate heart rate readings? Inaccurate readings are usually caused by poor contact between the heart rate sensor and your skin. Make sure that DFit has a snug fit on your forearm, about 2 finger widths above your wrist bone. If you have a very small wrist, wear DFit higher on your forearm. You can also try wearing DFit on the inside of your arm. If your body hair is deep, it may affect your heart rate value.
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