Description: Material: copper,zircon Color: as shown Sise:2*0.6cm/0.78*0.23inches Applicable occasions: entertainment cheering, bars, DJ, K songs, stage performances, dancing, parties, concerts, entertainment props Earrings installation method and battery replacement method Replace the battery: 1. with a thin flat products (such as iron) stuck to the base cover, do not let it turn; 2. counterclockwise rotation of the battery base can be (if the slip can be wrapped with a towel or leather things can be). Installation method: 1. Put the front of the two batteries upwards into the battery base, The positive (+) of the electronics is downward. 2. put the insulating piece on top of the battery and then tighten the base cover, insert the earring pin can be. Note: 1. As we know, different computers display colors in different ways, and the actual project colors may be slightly different from the picture below. 2. Please ignore the size. Sometimes the scale may be narrower than we described. China is usually smaller than Europe and America. Therefore, please keep a distance of 1-3 cm. 3. If you encounter any difficulties in choosing the size, please feel to contact us. We will provide you with some suggestions, but only for reference. The package includes: 1 pair* earring