50 Hours, Ultra Long Wireless Playback
The HF420B's high-capacity battery allows up to 50 hours of continuous playback. With over two full days of playback from a single charge, you can wave goodbye to the hassle of having to charge mid-travel. The Quick Charge feature provides around three hours of playback from a 15-minute charge.
Enhanced, Robust Bass
Get ready for powerful sound from around-ear housings with 30 mm driver unit and neodymium magnet. Our Extra Bass System (XBS) combines Acoustic Bass Control that optimizes air flow via a filter and an acoustic tuning circuit to enhance low range reproduction. Enjoy robust bass without distortion with your HF420B.
The swivel design of HF420B ear pads will realize easy transport.
Just flip the ear pads to make ear pads flat and portable, so you can carry it anywhere with you.
Voice Assistant Activation - Use the smartphone voice assistant function to select music, adjust the volume, and make phone calls.
Quick Charge - 15 min of Quick Charge delivers 3 hours of playback time.
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