1. USB 3.0 Port (Blue): For high-speed data transfer up to 5Gbps, used to connect flash drives, mice, keyboards, or game controllers. 2. HDMI Port: Supports 4K video and audio streaming (often at 30Hz) to connect your device to a TV screen or projector. 3. USB-C Port (PD): A dedicated port for charging with Power Delivery technology (supports charging devices up to 100W in some models), allowing you to charge your laptop or phone while using other ports. Extended End (Cable): Supports connection to the main USB-C port on your device.