About this item Industry-Leading Safety: Engineered with intelligent power management, high-quality components, and protection against overcurrent, overvoltage, short-circuit, and overheating. Exceptional Compatibility: Fit for various laptops with USB-C power connectors, including models from popular series. Optimum Fast Charging: Charge devices at lightning speed with USB-C and PD (Power Delivery) technology, which automatically detects and delivers the optimal power output. Dimensions: 3.94 x 3.54 x 1.57 inches.