ACEFAST J12 USB-C to 3.5mm Audio Adapter
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The ACEFAST J12 USB-C to 3.5mm Audio Adapter is a compact solution for users who want to connect wired earphones, headphones, speakers, or car AUX systems to USB-C devices. With digital-to-analog conversion, Hi-Fi audio transmission, microphone support, and a durable nylon braided cable, it is ideal for users who still prefer reliable wired audio without Bluetooth delay.
Key Features
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USB-C to 3.5mm Audio Conversion
Connect 3.5mm wired earphones, headphones, speakers, or AUX cables to compatible USB-C devices. -
Hi-Fi Sound Transfer
Designed to deliver clear and stable audio transmission for music, calls, and media playback. -
Microphone Support
Supports call functionality and voice input when used with compatible wired earphones. -
Plug & Play Design
No driver installation required. Just connect and use with compatible devices. -
Low-Latency Wired Audio
Offers more stable sound transmission compared to wireless audio connections. -
Premium Aluminum Alloy Shell
Durable connector housing with a clean, compact design. -
Gold-Plated 3.5mm Female Connector
Helps improve connection stability and resistance to oxidation. -
Nylon Braided Cable
Designed for better bend resistance and daily durability. -
Compact & Lightweight
0.15m length and 6g weight make it easy to carry in a pocket, laptop bag, or car. -
Broad USB-C Compatibility
Suitable for compatible mobile phones, tablets, laptops, and car audio setups with USB-C output.
Technical Specifications
- Product Type: USB-C to 3.5mm Audio Converter
- Model: ACEFAST J12
- Connector A: USB-C Male
- Connector B: 3.5mm Female
- Function: Digital-to-analog audio conversion
- Audio Output: Hi-Fi sound transfer
- Microphone Support: Yes
- Length: 0.15m
- Weight: 6g
- Connector Material: Aluminum alloy + TPE
- Wire Material: Nylon braid
- 3.5mm Connector: Gold-plated female port
- Setup: Plug & play
- Certifications: FCC, CE, RoHS, EAC
What’s in the Box
- ACEFAST J12 USB-C to 3.5mm Audio Adapter

