Bluetooth wireless technology with mic and controls built into the earcup for answering/ending calls, controlling music & video playback and adjusting volume on connected devices
 
 
 
 
40 mm drivers for outstanding sound quality
 
 
 
 
Internal battery provides up to 40 hours of continuous use (1,00 hours on standby) on a full charge
 
 
 
 
Headphones fold flat for easy transport
 
 
 
 
Includes 30 cm (1') USB charging cable
 
 
 
 
Lightweight earpads rest comfortably on the ears and provide good sound isolation