Here are the details for a USB 3.0 4-port hub with a cable length of 30cm: **Features:** - Adds four additional USB 3.0 ports to your computer or laptop. - Supports SuperSpeed data transfer rates up to 5Gbps. - Backward compatible with USB 2.0 and USB 1.1 devices. - Plug-and-play functionality; no additional drivers required. - Compact and portable design for easy transportation. - LED indicator to show power and activity status. - Over-current protection to safeguard connected devices. **Specifications:** - Ports: 4 x USB 3.0 ports - Transfer Rate: Up to 5Gbps (USB 3.0) - Cable Length: 30cm - Compatibility: Windows, macOS, Linux - Power: Bus-powered (no external power adapter required) - Material: Durable ABS plastic - Dimensions: Compact and portable design This USB 3.0 4-port hub offers convenient expansion of USB connectivity with high-speed data transfer rates and a compact form factor suitable for various devices and operating systems.

A 4K HDMI cable is designed to transmit high-definition video and audio signals, particularly at 4K resolution. Here are some typical details and specifications you might find for a 4K HDMI cable: 1. Resolution Support: Capable of transmitting video resolutions up to 4K Ultra High Definition (UHD), typically at 60Hz refresh rate. 2. HDMI Version: Supports HDMI 2.0 or later versions to ensure compatibility with the latest 4K devices and features. 3. Bandwidth: High-speed data transmission to accommodate the large amount of data required for 4K video, typically 18 Gbps or higher. 4. Connector Type: HDMI Type A connectors at both ends, compatible with most HDMI ports on TVs, monitors, projectors, and other display devices. 5. Cable Length: Available in various lengths, such as 3 feet, 6 feet, 10 feet, or longer, to suit different installation needs. 6. Cable Construction: Constructed with high-quality materials and shielding to ensure reliable signal transmission and minimize interferenc

It's a 3-meter flat HDMI cable with male connectors on both ends, designed for high-definition audio and video transmission.