Enjoy sound in style
The HF420B headphones provide clear and dynamic sound with 50 hours of continuous playback time to truly immerse you in your music. The grace and elegant color of the HF420B just suits you.

Ultra-long 50-hour wireless playback
The high-performance battery of the HF420B allows up to 50 hours of continuous playback. With more than two days of playback time on a single charge, you don't have to worry about charging on the go. Quick charging enables approximately 3 hours of playback with a 15-minute charge.

Emphatic, powerful bass
The 30 mm neodymium magnet speaker in the case surrounding the ear provides powerful sound. Our Extra Bass System (XBS) combines acoustic bass control that optimizes air flow with a filter, and an acoustic tuning circuit that strengthens the deep range. The HF420B provides distortion-free and powerful bass.

Slim design, elegant colors
With its sleek design and elegant color options, the HF420B matches your individual style.

Easy portability
The HF420B is easy to transport thanks to its swiveling ear cups. By simply flipping the ear covers over, you can create a flat shape that can be easily carried anywhere.