Improved noise suppression system for up to 98% less noise Premium privacy on the go with adaptive noise cancellation 50 hours of travel playback Sound with razor-sharp detail Lightweight, comfortable design TCO certified: For better sustainability. Low, medium and high frequencies are targeted individually by the 3-stage noise suppression system. Hybrid active noise suppression reduces low-frequency noise such as aircraft engines and traffic noise by up to 98%. The other 2 levels effectively filter out medium and high frequency sounds such as crying babies and barking dogs. Perfect for long-haul flights. Up to 50 hours of playback time in noise cancelling mode is easily enough for a complete holiday, a flight around the world or weeks of commuting to the workplace. In normal mode, you can enjoy up to 65 hours of music, and if you run out of battery power while driving, a 5-minute quick charge is enough for a full 4 hours of playing time! Multipoint connection. Simply connect Space Q45 to 2 devices at the same time - ideal if you want to switch between conferences at work and your favourite music.