Natural crystal lamp, three lighting modes, adjustable brightness, USB powered (round black citrine)

Crystal gemstones: Crystal gemstones are natural minerals, each with its own distinctive characteristics. Internal cracks, surface lines, pits, trachoma, color variations, etc. are all naturally formed.
Multiple speed adjustable: This lamp has three color settings and can also adjust the brightness, making it very simple and convenient to use.
Although we have tried to polish the crystals as much as possible to make them smooth, please be careful, thank you!