Butterfly Gemstone Color Change With Temperature Necklace Butterfly Magic Emotion Feeling Mood Pendant Necklace Jewelry Feature: This type of color change mood necklace can perceive your temperature and test your mood. It is sensitive to temperature, so when your mood change, your body temperature may change with your mood. Different color represents different mood. Great gift choice for special occasions such as a Christmas,Valentines Day,Birthday, Anniversary, Wedding,Easter and Mother's Day Perfect for lovers,couple,girlfriend, wife, mom, best friend, etc. Warmly Tips: Please keep products away from water. Mood stone will lose it's function if submerged in water; Mood stones are also fragile, please use with care! Material: Stainless steel chain,Feeling warm piece. Color:Color Change With Temperature Size: Chain Length50cm/20" More detailed,please see photo Color:As Picture Show. Quantity: 1 Pc. Note: Size for manual measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 Pc X Necklace.Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!