UGREEN CM991 USB-C to 3.5mm Audio Adapter

The UGREEN CM991 USB-C to 3.5mm Audio Adapter is designed to connect standard 3.5mm headphones, headsets, and other external audio equipment to modern host devices featuring a USB-C port. This compact accessory facilitates stable signal transmission for listening to audio content and participating in voice communication on devices lacking a traditional headphone jack. Engineered for daily convenience, the UGREEN CM991 integrates seamlessly into existing setups without requiring external drivers or complex configuration steps.

Advantages

The UGREEN CM991 audio adapter offers a practical solution for bridging legacy audio gear with modern USB-C interfaces found on contemporary smartphones, tablets, and laptops. Its compact and lightweight construction ensures high portability, making it easy to carry in a pocket, backpack, or travel bag. The durable build materials support regular connection and disconnection cycles, while the plug-and-play functionality enables instant operation across compatible platforms without additional software installations.

Suitable for

• Connecting wired headphones with a 3.5mm jack to USB-C smartphones and tablets
• Listening to music, podcasts, and videos on laptops lacking an analog audio port
• Taking voice calls and participating in online meetings using a standard headset

When it may not be suitable

This adapter may not be suitable for older host devices that rely exclusively on traditional USB-A ports or standard 3.5mm audio connections without a USB-C interface. It is also not designed for high-impedance professional studio headphones that require dedicated external amplifiers for optimal performance.

Key specifications

• Input interface: USB-C connector
• Output interface: 3.5mm female audio jack
• Functionality: Audio signal conversion for headphones and microphones
• Compatibility: USB-C smartphones, tablets, and laptops
• Design: Compact and portable plug-and-play adapter

How to use

To use the UGREEN CM991 audio adapter, insert the USB-C end into the compatible USB-C port on your smartphone, tablet, or laptop. Next, plug your standard 3.5mm headphones or audio cable into the female jack of the adapter. The device will automatically route the audio output and input through the connected accessories, allowing you to start listening or speaking immediately.

What to consider before purchase

• Verify that your host device features a functional USB-C port supporting audio output
• Confirm whether your headphones or headset utilize a standard 3.5mm plug
• Check if your device requires specific digital-to-analog conversion standards supported by this model

Usage recommendations: Store the adapter in a dry place when not in use and avoid sharp bends near the connector joints to maintain optimal signal transmission over time.