Your calls come in loud & clear with advanced echo cancellation. Setup is easy with simple phone pairing and automatic phonebook transfer.When you're not utilizing hands-free calling, the FH-P800BT can use Bluetooth Wireless Technology to feed your appetite for entertainment. Using "wireless audio" control and streaming (AVRCP, A2DP), you can control and listen to a compatible audio player or music phone on your headunit.Hear the detail, warmth and clarity, the way the artist intended it, from all of your highly compressed MP3, WMA and AAC files stored on USB memory device, iPod and portable digital players. By restoring data (especially higher frequencies) that tend to get lost in the digital compression process, Pioneers Advanced Sound Retriever technology enhances audio reproduction nearly all the way up to 20 kHz frequencies.Pioneer's FH-P800BT is ready to roll with capability for direct connection to your iPod. USB 2.0's speed and capability allow an elevated iPod experience in the car, and nearly limitless expandability for portable media players and USB memory devices.File search and access are extra-quick. The headunit keeps song, artist, time and album information displays very clear and user-friendly, and control is i through the 7-Way Rotary Commander. The system's wired USB connection provides direct digital signal transfer from the iPod for clean, clear sound.The FH-P800BT is smartly designed to expand your system, customize your experience, provide superior sound quality and easy operation.