About the Skullcandy App Enhance and customize your listening experience with the Skullcandy App. Control product features and settings, access user guides, and update product firmware versions as Skullcandy releases updates to some products in market. Product Feature Highlights Personal Sound: Tune your Crusher ANC, Crusher Evo, Indy ANC or Dime XT 2 to your unique hearing. Take a simple hearing assessment to generate your personalized sound profile. Hear your music like never before. Equalizers & Hearing Modes: Can be turned on/off or selected to meet your changing noise environment and listening preferences. App and Product Upgrades: As they become available, we will release new and improved firmware to the earbuds or headphones you own to keep you with the latest greatest audio experience. Enable push notifications in the Skullcandy App to receive alerts for upgrades that are available to you. User Guides & Support Detailed user manuals and quick guides remind you how to get the most of your product. Explore the Skullcandy brand and get customer service help.