What the **** is Crusher Tech? Boost your bass with the sensory bass slider, mellow out or go all in skull crushing! Crusher Tech enhances your iPhone, Android or Computer audio experience. Custom Sound- The Crusher analyzes your hearing and produces sound specifically for YOU. You'll do a quick test and the Crusher will be tuned to you. We have introduced a new level of comfort to the Crusher range and created our most comfortable headphone Epic Noise Cancelling - The Crusher ANC 2 has 4 microphones listening to all outside noise to actively mute the outside world. You can also adjust the noise cancellation level between mute, hearing and between. 50 Hour Battery - Skullcandy's biggest battery, get up to 50 hours on a single charge and if you do run out of charge a 10 minute charge will give you 4 hours. Plus, use the preset modes to customize your audio depending on what you're listening to. Multipoint Pairing - Allows you to pair your headphones to two different devices at once. Connections are managed automatically. If you get a call while watching a movie on your laptop, your connection will switch to the call on your phone like magic.