MONSTER A IP FM-CH 250 ICARPLAY(TM) WIRELESS 250 FM TRANSMITTER FOR IPOD(R) & IPHONE(TM) Compatible with all iPod's and iPhones with Dock Connectors Rejects Cell Phone Interference - Advanced Audio Circuitry for Clearer Highs and Tighter Bass Advanced Monster AutoScan 3D Automatically Triple Scans for the Best Available Frequency - 3 Programmable Favorite Stations Charges iPod/iPhone - Also Charges USB 2.0 Devices - Charges iPod/iPhone While You Drive Detachable USB Power Cable