MillSO USB to 3.5mm Audio Jack Adapter [with Internal Recording Function] Portable Computer External USB Sound Card for PC, Recording, Training, Streaming, Podcasting – Black
Price: $13.99
(as of Feb 01, 2026 20:08:25 UTC – Details)
Product description
Premium MillSO External USB Sound Card with Internal Recording Function 
Whether you’re using it for gaming, recording music, watching movies, or as a simple, compact, and portable live-streaming recording sound card, this USB sound card will surely impress.
Recommended Connection Methods 
1. Record electric guitar ideas to a PC/laptop
Record your guitar ideas anytime and anywhereInput guitar to a laptop for clean line in quality processing.This may be helpful if you travel with your guitar and enjoy practicing and recording.Accompany your favorite songs, record your rhythm guitar piece, and then play solo. 
2. Record electric keyboard to a PC/laptop
Record live with a perfect sound output.Make music performances more convenient.Enjoy whatever you like jamming or practicing.Hear what you are playing in real time without bothering other people.
3. Record vinyl records to a PC/laptop
Immerse yourself in the world of vinyl records.Record your favorite vinyl records on your computer.Let you have a digitized version of your vinyl collection.Give your old records a new look, and enjoy them in a modern format that’s easy to store, share, and enjoy. 
4. Record smartphone’s music to a PC/laptop
Document your life’s details through your voice.Record your favorite playlist from the smartphone to a laptop.Don’t need expensive audio equipment to create a great recording or accompaniment.Capture a clear conversation, or enhance a video recording with a natural-sounding voiceover.
External USB Sound Card
MillSO USB Product Series
Black
Color
Blue
52mm
Length
52mm
Internal recording
Function
Internal recording
USB direct plug
Connect Technical
USB direct plug
3.5mm (Audio/Mic)
Auxiliary Port Type
3.5mm (Audio/Mic)
Durable ABS Shell
Material Components
Durable ABS Shell
Plug and Play
Black
Color
Black
52mm
Length
13.7 inch / 35 cm
Internal recording
Function
External recording
USB direct plug
Connect Technical
USB direct plug
3.5mm (Audio/Mic)
Auxiliary Port Type
/
Durable ABS Shell
Material Components
ABS, PVC cable
Plug and Play
Black
Color
Black
52mm
Length
61 inch / 155 cm
Internal recording
Function
External recording
USB direct plug
Connect Technical
USB direct plug
3.5mm (Audio/Mic)
Auxiliary Port Type
/
Durable ABS Shell
Material Components
ABS, PVC cable
Plug and Play
USB Sound Card for PC 
USB Computer Microphone 
Mini USB PC Microphone 
Easily record music from your electronic keyboard or electric guitar to your computer using this external sound card that connects via USB and features a 3.5mm headphone and 3.5mm microphone jack. Whether you’re an aspiring musician producing your own tracks, or just want to showcase your musical skills, this USB audio adapter gives you the flexibility and quality you need.
The 3.5mm to USB sound card lets you transfer music from vinyl records to your computer. Immerse yourself in the world of vinyl records and transfer your favorite albums and songs to high-quality digital files. Give your old records a new look and enjoy them in a modern format that’s easy to store, share, and enjoy.
By connecting your smartphone to the USB aux adapter’s microphone port, you can share your favorite music with friends in real-time. Compact and portable, whether you’re on the go and want to share your playlist or jam with friends, this 3.5mm to USB adapter gives you the chance to easily share your music and wow your friends.
The aux to USB adapter is designed with independent microphone and headphone ports, hear what you are playing or recording in real-time through a 3.5mm headphone jack, ensure you track the sound effects and make prompt adjustments accordingly. With this internal recording sound card, you can be creative while singing and composing music while optimally controlling your voice.
Enjoy the flexibility of chatting online with friends while listening to music. With the USB to aux adapter, you can listen to your favorite songs while voice chatting or video conferencing with friends. Never miss a conversation again while enjoying your music.
Real-time Monitoring: Driver free, plug and play. The USB to 3.5mm sound card allows you to hear yourself in real-time while singing, helping you improve your performance and create professional recordings. Perfect for jam sessions, online training, on-the-go podcasting, and making video calls or livestreaming at home.
Capture Clear Audio: Built-in smart chip, the adapter delivers rich and immersive audio, brings a better listening experience, and records high-quality audio to a computer or laptop. You can also enjoy whatever you like jamming, practicing, or live-streaming, and sharing with your friends.
Widely Compatibility: Easily add dual 3.5mm TRS aux ports for your devices, yellow jack for recording, and green jack for monitoring, the USB adapter enables you to connect a dual-plug headset, TRS speaker, and TRS microphone to the PC/laptop (TRS plug has 2 black rings), and it’s a perfect replacement to revive a broken computer’s original sound card and to wake up a silent computer.
Compact and Portable: MillSO USB sound card adapter is constructed with durable ABS material that makes it easy to take on the go. It’s easy to throw in a bag when traveling and combined with a small mic makes a real portable recording solution.
What You Will Get: MillSO offers 24*7 customer service and technical support for our external USB adapter, to ensure your pleasing shopping experience. If you encounter any quality trouble or compatibility issues, please let us know.
