This USB Power Meter is a compact and portable device that measures the power consumption and voltage of USB devices. It is designed to help you monitor and optimize the power usage of your USB-powered devices, such as smartphones, tablets, and other USB gadgets. With its precise measurement capabilities, you can easily determine the actual power consumption of your devices, which can be useful in optimizing battery life or identifying potential power issues. This USB Power Meter is a valuable tool for anyone who needs to monitor the power usage of their USB devices, whether it's for personal use or professional purposes.