JVC KW-V20BT 6-Inch Display Multimedia Receiver 6-Inch Touch Screen Monitor Bluetooth/DVD/USB Multimedia Receiver system with app display/control capability for iPhone 4 and 4s devices. 6.1-inch WVGA Monitor Touch Panel Monitor Touch Control MOS-FET 50W x 4 Bluetooth(R) Wireless Technology*1 (Built-in) Energy Star Certified You can display up to 20 compatible apps on-screen ranging from Navigation to Music to Driver assistance apps using an optional adapter. Pandora Internet Radio playback and on-screen control is also supported for iPhone as well as SiriusXM Satellite Radio add-on capability and Dual Zone source distribution.