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JohnR 03/07/2019
What a great product, for a really competitive price. I had trouble loading the app on my phone and getting it working with the watch. So I uninstalled and started again. Charge the wristband using the nice, neat magnetic USB lead - a great feature - you can't connect it up the wrong-way-round. Download the app from the app store while the watch is charging (Da Fit from CRREPA) Start the app and allow the app all permissions (as otherwise it keeps going to the settings page), then tell it how tall you are and how heavy etc.... and your step length ...etc........ Once the watch is charged, tap the lower part of the screen to scroll through the options, you will overshoot a few times until you get used to it. On the time screen, hold your finger on the tap-pad, the watch will buzz and display the device name (probably SN58, and the MAC address leave it a few seconds to return to the time screen. Now keep tapping the tap-pad until you get to the "Other" option again (with the cog/setting logo) Hold your finger on the tap-pad, until the watch buzzes and goes into the sub menu Tap through to the Reset option Hold your finger on the tap-pad, the watch will buzz and reset the time back to the default time ...IT IS NOW READY TO TALK BLUE TOOTH!!!! (I found this dodge by trial-and-error - you may need it for if your phone looses the link to the watch like it did for me a week after I first started using it...) Close the Da Fit app on your phone Now turn on the BlueTooth on your phone (if not already on) and set your phone to search for all devices nearby Your phone will find your device name (e.g. SN58) Pair with this Now Restart the Da Fit app, which will then allow you to select your watch. Go walk/run - get fit. Enjoy! I've done 9428 steps today, which I wouldn't have known if the watch hadn't counted them. In case you were wondering - IP68 - IP stands for Ingress Protection, see https://en.wikipedia.org/wiki/IP_Code
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Moynana Dear friend, it is sorry for the inconvenience. Due to lack of detail, could you please send an operation video or detailed information to cservice@banggood.com? This way help us to solve your problem as soon as possible.

2019-11-03 11:56:34 Helpful (0)
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JohnR Hello; Ive received my order, what I received is a piece of kit designated Hantek DSO4204B, it came with 4x 200MHz rated probes and has 4 channels. A 1MHz square wave displays as a square wave (unlike my previous two old oscilloscopes which displayed a 1MHz square wave as a very distorted sine wave!) so I am very happy with it. I'm very pleased with it, it seems a very capable instrument... I just need to learn how to use all the maths functions, cursors etc....

2019-10-22 05:22:59 Helpful (4)
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JohnR Hello; the product is a 'buck' converter: it can only step down the voltage. To get 32 volts out you would have to input more than this, the specification says 40 volts maximum. I am surprised you can get 12 volts out when only supplying it with 12 volts, usually there is a voltage drop across the switching transistor. It will not, and cannot, step up 12 volts to 32 volts - for that you would need a 'boost' converter. Hope this helps?

2019-10-01 07:27:12 Helpful (1)
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