Advanced Car Mount System for Blackberry Curve,Pearl,Bold - FM Transmitter & Charger with Hands-Free Calling and Car Stereo MP3 Playback Includes Micro USB Charge Cable Combines 3 most important features in just one unit Music Automatically Fades out when Call Comes in and Resumes When Finished BlackBerry specific feature: Hands-free calling Features LCD screen and best quality sound in today's FM transmitter technology Simple to use: plug into cigarette lighter adapter