Description: 3.5 mm audio socket, connect headphones and speakers, enjoy music or movies while charging. Compatible with microphone input. You can adjust the volume on the inline volume control on it's earphones/headphones. Plug and play, no driver/software required. The USB 3.0 port has a speed of up to 5 Gbps, which can transfer images, files and videos in a few seconds. It allows you to connect a phone, keyboard, mouse, memory unit, camera, etc. Please update your device to for higher version to use any file transfer format and more USB peripheral device connections. Equipped with USB 3.0 5Gbps, usb2.0, 3.5mm audio socket, Type-C data transmission and charging. The Type-C port not only provides a maximum power of 60W, but also a data transmission rate of up to 480Mbps. Made of high quality plastic and metal material. With lightweight size to carry in your laptop bag when traveling. Specification: Material: Plastic, Metal Category: Adapter Interface: Type-C Number of ports: 4 Size Chart: 54x10x24mm / 2.13x0.39x0.94inch Package Includes: 1x Adapter Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!