As for geomantic omen, dragons and phoenixes are sacred animals in ancient China culture, and they are considered to have strong auspicious spirit. In Feng Shui, dragons represent authority and strength, and symbolize success and luck. Phoenix symbolizes auspiciousness, beauty and prosperity. Therefore, wearing bracelets with dragon and phoenix patterns is considered to absorb positive energy and bring you good luck and auspiciousness. But the effect of feng shui varies from person to person, and it may not be effective for everyone. Therefore, if you believe in the theory of geomantic omen and hope to improve your fortune with the help of dragon and phoenix bracelets, then you may think that its geomantic effect is good.
To sum up, the bracelets with dragon and phoenix patterns can be beautiful, and they are also considered to have a good effect on geomantic omen. But whether it is beautiful or not, and whether the geomantic omen is good or not, are all subjective personal preferences and beliefs.