1. Micro USB
Micro USB is a compact and slender connector commonly used in mobile phones, tablets, and other small electronic devices. Its small size makes it ideal for portable devices, allowing for easy charging and data transfer. Micro USB connectors are widely used in various devices, including smartphones, tablets, e-readers, and portable speakers.

2. Type-C (USB-C)
Type-C, also known as USB-C, represents the next generation of USB connectors. Renowned for its exceptional speed, flexibility, and universal compatibility, Type-C has become an industry standard. Its reversible design eliminates the frustration of inserting the connector incorrectly. 

3. iPhone
The iPhone is a revolutionary smartphone designed and manufactured by Apple Inc. Known for its sleek design, user-friendly interface, and advanced security features, iPhones have become incredibly popular. One distinctive feature of iPhones is their proprietary connectors, such as the Lightning port, which provides fast charging and data transfer. Apple's closed ecosystem ensures seamless integration across devices.

4. Quantron QUH-220 USB 4-Port Hub
High-Speed Connectivity :- Enjoy four USB 2.0 ports with data transfer rates up to 480 Mbps, allowing for fast and efficient file transfers across all your devices.
Wide Compatibility :- This hub is compatible with various operating systems, including Windows (98, 2000, ME, XP, 7), Mac, and Linux, providing seamless integration without the need for additional drivers.
Plug-and-Play Convenience :- Simply connect the hub to your device, and you’re ready to use it immediately—no complicated setup required.