The item in the image is a decorative phone case, specifically a Fashion Brand Mobile Cover designed for the Tecno Spark 40 Pro.
This clear, protective case is made from flexible TPU material and features a dual-toned design with silver and purple moving glitter. A prominent decorative element is a large, heart-shaped pearl charm situated in the center, which contains a metallic gold-colored interlocking "C" logo. The bottom of the case is further embellished with the word "Chanel" in a raised, silver-toned script font