HOCO adapter AUX USB-C to 3.5 mm jack LS37 0.15 m transparent gray

HOCO LS37 is a compact AUX adapter that converts a USB-C port to a 3.5 mm audio jack. With a 0.15 m cable and a transparent gray housing, the adapter provides a direct connection for wired headphones, speakers and other AUX devices to smartphones, tablets and laptops that lack a dedicated audio output. It supports plug-and-play operation for audio playback and hands-free calls without additional drivers on compatible devices.

Advantages

The adapter’s short cable and lightweight construction make it easy to carry and use with mobile devices while preserving a stable physical connection. The transparent gray housing offers a discreet, modern appearance that blends with many device colors. Plug-and-play functionality eliminates the need for software installation, and the 3.5 mm jack maintains compatibility with a wide range of existing wired audio accessories.

Suitable for

• Listening to music with wired headphones on USB-C smartphones and tablets
• Connecting portable speakers or car audio systems via AUX input
• Making hands-free calls using headsets with microphone support
• Temporary replacement of a broken or missing 3.5 mm port on laptops

Key specifications

• Connector type: USB-C (male) to 3.5 mm stereo jack (female)
• Cable length: 0.15 m
• Housing color: transparent gray
• Supported functions: stereo audio playback and hands-free calls (device dependent)
• Compatibility: works with devices that support USB-C audio output

How to use

Insert the USB-C plug into the device’s USB-C port and connect headphones or an AUX cable to the 3.5 mm jack. Once connected, audio routes through the adapter automatically on compatible devices; no drivers are required in most cases. For hands-free calls, use a headset with an integrated microphone and verify the device’s audio input/output settings if necessary.

Usage recommendations

To ensure reliable performance, keep the connector contacts clean and avoid exposing the adapter to moisture or excessive bending at the cable ends. If audio does not play, check the source device’s USB-C audio support and audio settings, and try reconnecting the adapter.