These are handmade Resin oxidized silver heart-shaped drop earrings with small hanging bells, a style often associated with Bohemian or traditional Indian jhumka jewelry. 
Key Features
Design: The earrings feature a prominent heart shape at the top, followed by small, decorative dangling bells. The silver has an antiqued or oxidized finish, giving it a vintage look.
Material & Gemstone: They appear to be made of a silver-toned metal,  The center of the heart has a vibrant, color-shifting green inlay, which can give an "aurora" effect.
Style: The intricate metalwork and the addition of the bells (ghungroos) are typical elements of traditional Indian jewelry, specifically jhumka style, which is also popular in boho fashion.