Welcome to our store! Multiple Functions: This USB meter can measure parameters such as voltage, current, and capacity, and can display temperature, which is convenient and practical. Easy to Use: Connect the USB male to the charger and the female socket to the mobile phone and other devices to directly read the voltage and current. LCD Screen: The LCD screen displays current, voltage, and battery capacity on the same screen, and the color screen makes it clearer and easier to read. Simple Connection: Connect the USB port to detect the charging status of the USB power supply in real time, no other wiring is required, convenient and reliable in operation. Portable Design: This USB tester has a compact size and uses an excellent plastic shell, which is resistant to wear and aging, and has a long service life. Item Type: USB Tester Material: Plastic 1 x USB Tester Customers are our top priority. If you find any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.