The square shape and cubic zirconia design make it more attractive to people. It is a good choice as a gift for your friends or family.Creative luminous design makes you eye-catching in the crowd. It is suitable for banquet, party, club, travel, taking photos, etc.Made of copper material, it is durable.The length of the product is 2cm, the width is 0.6cm.It is suitable for banquet, party, club, travel, taking photo, etc.Item Name: Stud EarringMaterial: CopperBattery: 2 x Button BatteriesFeatures: Square, Luminous, Light WeightLuminous Display: Single Color-constant Light, Seven Color-flashing LightColors: White, Red, Blue, Yellow, Purple, Green, Pink, Orange, Colorful LightSize Details: Size: 2cm x 0.6cm/0.79" x 0.24" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.The lighting and closing of ear studs: Wear them as ordinary non-light studs during the day and glow at night. Insert the needle into the base and let the needle contact the battery in the base, and the studs will be lit. Pull out the needle a little, and the studs will extinguish.Package Includes:1 x Stud Earring2 x Button Batteries Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.