1. This product adopts the advanced TYPE-C interface design, which can be plugged in front and back. The expansion port includes Type-C to HDMI4K*2, VGA1080P 60Hz, USB3.0*1 and PD charging converter to realize the expansion of various interfaces. and applications to facilitate your work and entertainment needs. 2. The output voltage of the product's power supply is 5V-20V, the current is 3A-5A, and the power is 15W-87W. The charging efficiency is high, which can meet your high demand for power supply and make your use more convenient and efficient. 3. The product is made of high-quality aluminum alloy, which is durable and lightweight. The surface adopts advanced baking varnish technology, which makes the appearance more beautiful and generous, with a comfortable hand feeling and higher reliability. 4. The product is moderate in weight, suitable for daily use and carrying, convenient for you to use and store in different occasions, it is a must-have product for your travel. 5. This product is suitable for a variety of devices, supporting various devices such as laptops, tablets, and mobile phones. It has strong compatibility and can meet your multi-device expansion needs.