Description: USB 3.0 3-port high-speed expansion HUB supports multi-device connection, designed specifically for efficient charging. Features smart technology with 2.1A output per port, enabling simultaneous fast charging for multiple devices. Built-in advanced power management chip with quadruple protection: over-current, over-voltage, over-temperature, and short-circuit. Made of eco-friendly PC+ABS flame-retardant material, heat and drop resistant, with low transmission loss and extended lifespan. Includes 1.2m cable and storage bag, provides stable charging with low heat generation for convenient and safe use. Color: Classic Black/White (common colors) Material: Eco-friendly PC+ABS Flame-retardant Material Product Dimensions: Cable Length 1.2m (main unit size not specified) Single Set Includes: 1x USB 3.0 3-port HUB + 1x Storage Bag Compatible Models: All USB-enabled devices