The Pioneer SPH-10BT smartphone receiver offers secure and easy access to your smartphone applications with four buttons, allowing you to access your favorite apps. Safety features such as voice recognition promote safe driving. When connected to the new Pioneer Smart Sync app, various color and sound settings provide an excellent audio experience. Simply connect your smartphone to the robust built-in media and link it either wired or wirelessly to the free Pioneer Smart Sync app for a smarter, more connected driving experience. Designed specifically for ease of use and safe driving, you have direct access to applications and voice recognition for many functions.