Description: 1. Personalized LED heart-shaped crystal keychain with gradient multi-color conversion light. 2. Made of high quality crystal material with metal keychain. 3. Using the button on the top of the crystal, tighten the lamp clockwise, the lamp will turn on, and release it counterclockwise, the lamp will turn off. The button is replaceable. 4. This crystal keychain is equipped with pink 3d engraving on the crystal part and is illuminated by LED. 5. Perfect Christmas gifts, wedding gifts, Valentine's Day gifts, birthday gifts. Feature: Product:Heart-shaped crystal rose keychain Material:artificial white crystal Size:3 * 3 * 1.2cm color:Lantern, Blue Light, Red Light Power supply:coin cell battery (included) The package includes: 1xLED Crystal Keychain Note: 1. Due to manual measurement, please allow 1-3mm difference. 2. Due to the difference between the display and the light, the picture may not reflect the actual color of the item. Thank you for your understanding.