THE FINEST SOUND CARD SUBSTITUTE: The QAJOPFN USB Audio Adapter is perfect substitute for your malfunctioning sound card or audio port. It extends the 3.5mm mono microphone input and speaker-headphone output via the USB port, allowing you to connect small speakers, headphones, microphones, dual-plug headphones and more. | EXCELLENT FUNCTIONS: The QAJOPFN external PC audio sound card utilizes a built-in DAC high-resolution IC to provide you with high-fidelity audio, avoiding electromagnetic interference and making the sound clearer. It supports plug-and-play and is powered via USB without external power. | AUDIO INTERFACE: The QAJOPFN USB sound card provides an alternative solution to damaged desktop sound cards, allowing you to use headphones for plug-and-play sound. However, please note that it only supports mono microphone TRS, not TS or TRRS. | WIDE COMPATIBILITY: The USB A to 3.5mm jack audio adapter is compatible with Windows 10/11, Linux, PS5, PS4, PCs, laptops, speakers, external TRS microphones, headphones and more. But please note that it only supports devices that can recognize USB audio driver properly, not TV or car. | CONVENIENT AND EASY TO USE: The QAJOPFN USB Audio Adapter provides a simple and easy to use experience, just plug it in and go. It is lightweight and portable, suitable for use in a variety of scenarios such as home, office, travel and more. Whether you are listening to music, watching movies or voice calls, it will bring you excellent audio effects.

3-in-1 Multi-Function USB-C to HDMI Adapter: The QAJOPFN USB C to HDMI Adapter is a superior product that integrates an HDMI 4K@30Hz output port, a PD charging port (charging function only) and a USB-A 3.0 port. You can easily mirror your iPhone or iPad screen to TVs, projectors and monitors to enhance your home theater experience, improve office productivity and facilitate travel and many other uses. | Ultra HD 4K Video Output: Whether you're watching videos, editing photos, or giving multimedia presentations, the QAJOPFN USB C to HDMI Adapter's 4K@30Hz video output delivers high-definition visual enjoyment. It is compatible with most HDTVs, monitors, projectors and other devices with HDMI ports, providing vivid and clear video and picture presentations. | HIGH SPEED 100W FAST CHARGING: The Type-C/Thunderbolt 3 port of this USB-C adapter features a maximum 100W power output and is compatible with the PD fast charging protocol, providing a fast charging experience for your devices. | HIGH-SPEED USB 3.0 DATA TRANSFER: With the USB-A data port, the QAJOPFN USB C to HDMI Adapter is able to quickly transfer files at speeds of up to 5 Gbps, which is 10 times faster than USB 2.0 (480 Mbps), making it easy to transfer data between your laptop and other devices. | USER-FRIENDLY AND COMPACT DESIGN: This USB C Hub features a compact and lightweight design that makes it easy to carry around. It supports plug-and-play and requires no driver installation. The simple yet powerful design makes it ideal for travel, office and home use.QAJOPFN USB C to HDMI Adapter is ideal for you to connect usb c and hdmi ports, perfect for MacBook Pro/Air, iPad Pro/Air, HP, Acer, Dell XPS, Surface, Switch, Steam, etc. It is also compatible with Windows, ChromeOS, Linux and macOS X 10.5 and higher operating systems.

MULTI-FUNCTIONAL USB C HUB: Expanding one Type C port into four USB ports solves the problem of limited transmission ports and facilitates you to connect multiple devices at the same time. Not only for laptops, MacBook Pro/Air and other devices, but also can connect mouse, keyboard, flash drive and other USB devices, compatible with USB 3.0 and USB 2.0 devices. | FAST DATA SYNCHRONIZATION: No need to install drivers, just plug the USB C adapter into your laptop's USB 3.0 port to enjoy high speed data transfer speed. It supports multiple operating systems such as Windows and Mac, which is convenient and fast | OTG FUNCTION SUPPORT: This USB-C Hub supports OTG function, which allows you to connect a variety of devices such as mice, keyboards, flash drives and card readers etc. to your Type-C interface cell phone or iPad Pro. With this function, you can simplify file copying and greatly improve efficiency | LIGHTWEIGHT AND PORTABLE ALUMINUM ALLOY CASE: This USB 3.0 Hub is crafted with an all-aluminum alloy case, which is very lightweight and portable. The sturdy metal casing ensures durability and is suitable for carrying around in your laptop bag. Ideal for notebook users | FULLY COMPATIBLE USB C ADAPTER: Supports USB 3.0 specification with a maximum transfer speed of up to 5Gbps, which is 10 times faster than USB 2.0. Suitable for data synchronization, does not support charging and display functions. Note: Please do not connect devices with more than 900mA total current to ensure a stable connection. Provide 18 months warranty service to make your purchase worry-free