The kali audio hp 1 multi reference headphone is designed for both studio professionals and everyday listeners who want accurate audio and modern wireless convenience'. '.strtoupper('i')t features three selectable voicings studio consumer and bass heavy so you can switch between professional monitoring and casual listening with ease'. '.strtoupper('b')luetooth connectivity makes it simple to stream music or take calls without the hassle of cables while active noise cancelling reduces distractions in noisy environments'. '.strtoupper('w')ith a 40 hour battery life these headphones are built to support long sessions without frequent charging'. '.strtoupper('t')he hp 1 is engineered for comfort and portability'. '.strtoupper('t')he lightweight over ear design soft replaceable earpads and foldable frame ensure easy all day wear and simple storage'. '.strtoupper('w')ith both wired and wireless options this versatile headphone can move seamlessly between the studio and everyday use'. '.strtoupper('c')ombining precision audio performance with user friendly features the hp 1 is a complete solution for anyone who values both quality and convenience.