BFF Mood Necklace: Share this thermosensitive color changing necklace with your best friend, also known as the mood necklace, which can change color according to your mood changes and is very magical. Product Usage: The pendant will change color with temperature changes, black below 14 degrees celsius, and various colors between 14 and 38 degrees celsius. Product Size: As shown in the figure. Applicable Occasion: This is a fashion jewelry suitable for use in various scenarios, such as birthday parties, weddings, annual meetings, graduation ceremonies, etc. Customer Service: 24 hours attentive service. If you have any questions, please contact us as soon as possible. We will do our best to solve your problems. Your satisfaction is our greatest pursuit. About Our Company(br) Our company is a professional company engaged in the development and sales of jewelry, always following the needs of market customers, keenly sensing the trend of product development in the market,(br) and doing our best to bring the most satisfactory products to consumers. (br)Provide customers with the best shopping experience and after-sales service.(br) About Our Brand(br) LittleFathand, derived from a women, represents cuteness and beauty, and also symbolizes love.(br) A man and a women met by chance at a restaurant and were attracted to each other. (br)From then on, the two of(br) them often contacted and shared their daily work and life, as well as their travels.(br) Their story continues, while our brand LittleFatland is constantly growing!(br)