Product Description: ►SPECIFICATIONS: Copper material for durability Chain length: 45cm + 5cm extension Thermosensitive butterfly pendant, changes color with temperature Magnetic clasp design for easy wear Unique nature-inspired design, expresses your personality: ►PACKAGE INCLUDED: 1 pcs magnetic color shift necklace ►NOTE: 1. Since the test conditions may be a little different from your actual situation, please allow a slight difference in the effect, thank you for your understanding. 2. Due to different monitors and light, the pictures may not show the actual color of the item. Thank you for your understanding. This is a true interactive piece of jewelry - the Mesmerizing temperature-sensitive color-changing gold titanium steel butterfly pendant senses the changes in your body temperature and alters its color accordingly. The magnetic clasp design makes it effortless to put on and take off, so you can wear this color changing butterfly necklace magnetic butterfly anywhere, whether at work or on a date. Subtle shifts in your skin temperature can trigger the color transformations of the butterfly. It's like a mystical companion, intertwined with your very life, radiating the beauty of nature. Every breath you take brings new vitality to the butterfly. It's like a piece of jewelry that breathes, continually adding allure to your presence. This is a fashionable treasure worth owning. Hues that shift and change, just like a naturally beautiful butterfly fluttering by your side.