Features
One-touch setup and tuning: Griffin-exclusive SmartScan finds the best FM frequency for you
SmartSound button adjusts signal strength for each frequency
Bright illuminated display for easy viewing in any light
Pass-thru connector so you can charge your iPod or iPhone while playing, using a USB Micro-B cable
User-selectable stereo/mono modes
Track Controls: Play, pause, forward and back from iTrip’s display
iTrip Controller App: Control iTrip from your Multi-Touch display (a free download)

Specifications
No batteries required, draws power from your iPod or iPhone
Output RF range 87.6 MHz – 107.9 MHz