Wireless thanks to patented XP radio protocol, 10 x faster than Blue Tooth, Ear-enclosing design optimal for loud ambient noise, Deus II equalizer & audio options possible in conjunction with DEUS II remote control, Volume control possible on headphones and DEUS II remote control, MI-6 pinpointer connection, Integrated controls, Foldable, ergonomic headphones, Rainproof / weatherproof, Lithium battery, Battery life: approx. 15 hours, Weight: 250 g, USB fast charging protocol: less than 3 hours, Built to last, 5-year warranty