The Sony ZX110NC on-ear headphones deliver clear sound with 30 mm dynamic drivers and up to 80 hours of battery life. Active noise cancellation reduces ambient noise by up to 95%, and passive isolation keeps your audio audible even when the battery is depleted. A swivel-mount, folding headband and lightweight 0.28 kg design make them easy to carry. Includes 1 x Sony ZX110NC headphone and a 12-month manufacturer's warranty.