Hi-res audio: Balanced middles, crystal clear trebles with 40 mm audio drivers for deep, intense hi-res sound profile. Even frequencies of up to 40 kHz are covered. Active noise cancellation: Effectively reduces up to 95% of all external noise such as cars and planes; ideal for music when travelling or in noisy environments. Individual modes: “Transport” for aircraft noise, “Outdoor” for road traffic and wind, and “Indoor” for office sounds and background conversations - the perfect solution for any situation. Non-stop music: Enjoy 40 hours of wireless playback time in ANC mode or even 60 hours of play time in standard mode! And if you’re in a hurry, your headphones can be charged for 4 hours of music within 5 minutes! Comfort first: The velvety soft memory foam ear pads of the Life Q30 headphones, integrated in soft leather, give you flexible comfort while working or listening to music.