This product is designed for the iPhone 4G steering wheel with good feeling, to bring you fantastic gaming experience. Speakers with amplifier design, can play a sound game, or when the iPhone to do video playback amplifier output. IPhone 4G can be used for various types of cars racing on the game. Built-in 1000mAh lithium battery power directly to the speakers. With a 3.5mm audio interface, can connect headphones to listen to musice. With 1pc-DC usb charging cable, you can connect the product to the original iPhone AC adapter or USB interface to PC for charging the device.

OEM/ODM,Customized Logos/Designs are Welcome