ONTEN (OTN-288) USB-C To 3.5mm + FAST CHARGING Audio Jack Adapter

📝 Product Description

The ONTEN (OTN-288) 2-in-1 USB-C to 3.5mm Audio Adapter with Fast Charging is a smart and stylish solution for devices that no longer include a headphone jack. Designed to restore wired audio functionality while maintaining charging capability, this adapter lets you enjoy music, calls, and media without sacrificing battery power.

This adapter features a 3.5mm audio output for earphones and a USB-C charging port with Quick Charge (QC) fast charging support up to 30W, making it suitable for high-end smartphones and tablets. Whether you’re commuting, working, gaming, or watching videos, the OTN-288 keeps your device powered while delivering clear, stable audio.

The OTN-288 also supports in-line earphone controls, allowing you to manage calls, playback, and volume directly from your headset (subject to earphone compatibility). Built with a durable braided cable and a compact aluminum-style housing, it offers both durability and a premium look.

Designed primarily for USB-C devices, this adapter supports Android devices fully and operates in single-mode on iOS devices, ensuring safe and stable performance within platform limitations.

Backed by a 2-year warranty, the ONTEN OTN-288 delivers trusted quality, reliable performance, and everyday convenience—making it an essential accessory for users who rely on wired audio and fast charging in one compact adapter.

🎯 Why Choose ONTEN OTN-288?

✅ Listen and charge at the same time
✅ Fast charging up to 30W (QC support)
✅ Supports earphone line controls
✅ Strong braided cable for durability
✅ Compact, travel-friendly design
✅ Backed by ONTEN 2-Year Warranty