Monster has begun shipping its iCarPlay 250 FM transmitter for the iPod and iPhone. The iCarPlay 250 can be used both in the car and in the home/office by unplugging the device’s USB cord from the included cigarette lighter adapter, and then plugging it into an open USB port on a computer or wall charger. With the transmitter unit detached, the cigarette lighter adapter can be used to charge other USB devices. It also features the ability…