Onkyo RBX-500 iLunar Bluetooth Music System Sonic Emotion Absolute 3D Sound Technology iPod/iPhone Digital Audio Connection and Power Recharging Dock Bluetooth Wireless Audio Playback (Version 2.1 + EDR) Powerful Digital Amplifier to Drive Six Speakers and Subwoofer Power Recharging via USB for Compatible Tablets and Smart Phones (5 V/2.1 A)