Product Description -

Listen to songs the way they were made to be heard. With Audiodo customization the Crusher Evo analyzes your hearing and produces sound specifically for YOU. Adjust the bass with a slide to produce bass you can feel! 40 hours of listening off of 1 charge so whether you're on an all day gaming sesh or just don’t have time to charge you'll know that you still have some juice. If you do run out a 10 minute quicky... charge will give you 4 hours of play!