we are a big wholesaler and manufactory can specialize such as Car Audio, Car MP3 Player and so they are very popular in the world market, Frankly speaking, what ever items you want, we can supply for you, and more important, we can guarantee the best quality and the most competitive price, if you buy in bulk, please send by paypal transfer, if you have interests to our products. please contact us anytime, we are sure any enquires from you will be given the best attention.