Kensington SoundWave Power Sound Amplifying Car Mount and Charger

Using the GPS feature on your iPhone 4 can really burn the battery power. But the Kensington Power and Mounting Kit for iPhone charges the iPhone battery while it helps you hear turn-by-turn directions. The windshield and vent mounts securely hold your iPhone while the Sound Amplified Cradle doubles the volume coming from your speakerphone. iPhone 4 compatible.

Key Features and Benefits: Acoustically amplifies iPhone 4 sound for twice the volume with no added battery drain Captures the sound from the iPhone 4 and directs it to the amplifier Quickly and easily insert and remove your iPhone 4 with one hand-even when in a case Cable holder keeps charging cable connected Low profile USB car charger works in any cigarette lighter outlet