Naztech Boom Station for Apple iPhone and iPod - Speakers - Retail Packaging - Black 3.5mm auxiliary input for connecting your music phone, MP3 player or other audio device Compatible with all iPhone and most iPod models 6 Bass sound effect levels Compatible with: Apple iPod, Apple iPhone, Apple iPhone 3G, Apple iPhone 3Gs, Apple 4, Apple iphone 4 CDMA, Apple iPhone 4S Also Compatible most Cell Phone Models: BlackBerry By RIM, Casio, HP, HP Palm, HTC, Huawei, Kyocera, LG, Motorola, Nokia, Samsung, Sanyo, Sharp, and Sony Erisccon.