1. Multifunctional device: This portable device integrates the functions of computer and mobile phone sound card, live broadcast, delivery, karaoke and short video functions. Whether you want to live broadcast, sing K, make short videos or carry out promotion with goods, this device can meet your needs. 2. Sound card function: The built-in sound card of the device can realize high-quality processing of audio input and output, making your voice clear and full. This allows you to get better audio effects when live streaming, singing K, or recording short videos. 3. Live broadcast and delivery function: The device supports live broadcast and delivery function, that is, you can display and promote products during the live broadcast to attract more viewers and potential buyers. This provides convenience and flexibility for your sales and promotional activities. 4. Singing K and short video functions: The device has the functions of singing K and recording short videos. By connecting a microphone and headphones, you can enjoy singing K anytime, anywhere, and record high-quality short videos to show your talents or share your life. 5. Portable design: This device adopts a portable design, small and light in size, easy to carry and use. You can take it anywhere, show your talent and live broadcast, sing K or record short videos anytime and anywhere. Summary: This computer mobile phone sound card live broadcast with goods singing K short video portable device is a multi-functional audio and video processing device. It integrates computer and mobile phone sound cards, live broadcast, delivery, karaoke and short video functions to provide high-quality audio and video effects. The device is portable and light, easy to carry and use. This device is suitable for users who need to show their talents and carry out promotion with goods in live broadcasting, singing K and making short videos, providing them with convenient and efficient solutions.