Walmart.com has the XOvision In-Dash XO1915BT 3.5" Touch Screen Monitor DVD/CD Receiver & Bluetooth for $179 + shipping. Shipping is $5, or free ship to store for select locations. [Compare]

Built-in microphone, bluetooth-enabled, headphone jack, SD memory card slot

Plays DVDs, DVD-Rs, MP4 videos, MP3s, WMA songs, JPEG photos and CDs