1.Interactive Pins - The social battery pin has seven ways to express your mood by swiping a slice, from happy to angry, and from angry to happy. You are free to adjust your mood and let others know how you feel. 2.Mood Pins -- These pins are made of durable alloy and smooth enamel texture, durable, fade and scratch resistant. 3.Black and White Colors -- Simple and classic, these pins will easily complement any outfit and show off your positive attitude. Perfect for adding personality to your backpack, clothing or jewelry. 4.Different Moods - In addition to the vivid battery status color of each mood state of the brooch, each state also has a corresponding emoticon pattern, which is not easy to cause misunderstanding. Your anger and happiness, all expressed in a small brooch. Be brave and express yourself differently every day of the week with this fun pin. 5.Perfect Gift Idea-- Show your loved ones how much you care with these sweet and functional pins. Express your mood without socializing. They make great gifts for friends, family, and anyone who needs a little extra inspiration in their life. Specification: Size: Size 6.23*2.3cm Material: Alloy Product 1/2X Brooch