General features:
CD receiver with AM/FM RDS tuner
built-in Bluetooth for hands-free calling and audio streaming with dual phone connection
plays media loaded with MP3, AAC, WMA, WAV, and high-res FLAC music files (See Details tab for model compatibility)
detachable face with white 13-digit single-line LCD display and blue button illumination
Smartphone features:
built-in iPod, iPhone, and iPad control using USB (See Details tab for model compatibility)
Android control through Bluetooth
Pandora Internet radio control with iPhone and Android
Streaming DJ feature allows music streaming playback and control from up to five paired smartphones
control the stereo using JVC's free Remote app on iPhone or Android
low battery warning with connected devices
Audio features:
13-band graphic equalizer with digital time alignment
Vol Link EQ: hear your music over road noise
2- or 3-way crossover modes (3-way allows you to amplify highs, mids, and lows separately)
K2 technology: improves sound of digital music files and CDs
Expandability:
inputs: front-panel USB port and aux input 
outputs: 4-channel preamp outputs (2.5-volt front, rear/subwoofer)
More info:
Music Sync: lighting changes to music's beat
optional remote control
built-in amplifier (22 watts RMS/50 peak x 4 channels)
compatible with most factory steering wheel audio controls (adapter required)
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