nura nuraphone, Wireless Headphones, Self-learning engine built into the nuraphone automatically learns and adapts to the user's unique hearing, Unique design in-ear and over-ear - excellent bass reproduction, Treble and mids are played via the in-ears and the bass via the membrane, Closed, Controls on the earpiece, Built-in Smart Response - switches on and off automatically, Automatically switches off when the headphones are removed from the head, A minimum of 20 hours of operation, AptX HD Bluetooth, Weight: 329 g, Nura app for iOS and Android available free of charge, Includes USB charging cable, audio cable with 3.5 mm jack plug and soft pouch