The ACEFAST J12 is a compact USB-C to 3.5mm audio adapter that lets you use wired earphones or connect to car/home AUX from modern USB-C phones, tablets, and laptops. The built-in DAC provides Hi-Fi sound quality, and it’s plug-and-play—no drivers or apps required. A nylon-braided cable and aluminum-alloy housings keep it durable yet lightweight (6 g, 0.15 m), making it perfect for pockets, car consoles, and everyday carry in Bangladesh.