.Wireless transimit 3.5mm fm transmitter .Hands-free conversation through your car speakers .USB output charging

.Talk,charge and play music with iphone  on the go.. perfect audo transimission function..Full frequency range design effectively avoides interruption.charging your iphone while synced.USB output charging for moble phones,GPS and other devices.

usb fm transmitter best for blackberry with hands-free and car charger