EXPERIENCE A DEEPLY IMMERSIVE SOUND with the AH GC30 Wireless Headphones, which feature Free Edge Drivers to maintain a natural tonal balance for movies and music and keeps them as realistic as you'd want them to beTRIPLE MODE ACTIVE NOISE CANCELLATION Whether on a flight, commuting, or at work choose the perfect mode to keep out all unwanted noises. Additionally, the AMBIENT MONITOR MODE ensures that you never miss an announcement or important conversationWIRED AND WIRELESS CALLING Listen, make and answer calls wirelessly (via Bluetooth) or wired with the included in line remoteUP TO 20 HOURS OF BATTERY LIFE The perfect travel companion; take these headphone just about anywhere cord free. Easily recharge with the included USB cable or plug in and use as a wired headset with the 3.5mm audio cableThese noise suppressing headsets exemplify DENON'S HERITAGE & EXPERT ENGINEERING with the cVc feature that provides adaptive equalization, wind noise reduction & echo cancellation while giving CRYSTAL CLEAR AUDIO EVEN IN NOISY ENVIRONMENTS