WIWU Wi-P001 Speedy 20000mAH PD 20W and QC 22.5W Fast Charging Power Bank supports both Power Delivery (PD) and Quick Charge (QC) technologies, ensuring rapid charging for a wide range of devices, including the latest smartphones and tablets. Thin and portable design for conveniet. Provides short circuit protection. Also provides overvoltage protection and over current protection. Provides fast charging experience. Its advanced circuitry provides protection against overcharging, over-discharging, and short-circuiting, keeping your devices safe. Color: White.