EXTRA BASS: Featuring EXTRA BASS, the WH-XB900N enhances all your low-end frequencies, lifting every track with wave after wave of thundering rhythm. Just touch the button to get started
DIGITAL NOISE CANCELLATION: Sony’s noise cancellation technology means you hear every word, note, and tune with incredible clarity, no matter your environment. Additional microphones also assist in isolating sound while talking on the phone, resulting in improved phone call quality
GREAT BATTERY LIFE: Listen to your favorite audio content all day long, and then some. Up to 30 hours of battery life on a single charge keeps you listening for longer. In a pinch, the XB900N’s quick charging capabilities give 60 minutes of playback time after just 10 minutes of charging