NO.1 F4 Colorful Certificate

NO.1 F4 Colorful Smart band that the watch without the QR code is also your authentic product.

There are two kinds of genuine products of the company, one is the two-dimensional QR code on the watch rear (Picture 1), the other is with the ROHS CE logo (Picture 2), all of which are original products of our company, please Buy with confidence


NO.1 F4 Colorful
Picture 1
NO.1 F4 Colorful
Picture 2

4 thoughts on “NO.1 F4 Colorful Certificate”

  1. Hi Admin,

    Need firmware for No 1 F4 color version, i accidentally updated to black and white version and now my watch screen is blank, Bluetooth and vibration is working, kindly help

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