Nyrius NIPC400 Ultra Portable Rechargeable Speaker Dock for iPhone 4/3GS/3G/2G with Enhanced Gaming & Speakerphone Continuous Gaming and/or Movies Power source & speaker system for iPhone; Precision Game Play Built-in stand & Rotating Base; Built-in Stereo Speakers Acts as a steering wheel for gaming Charges your iPhone as you play; 5 Hours of Video Watching or Game Play