This product is designed as a portable physical amplifier for iPhone4/ iPhone4S. It's made from imported polycarbonate material, bionic conch structure can amplification 10db for iPhone original sound but not consuming any electricity, sound loud, make you more of a comfortable and relaxed in the home or office. 1. iPhone slot with silicon sleeve for protect iphone and set iphone firmly into slot. 2. Can be used as a stand keep in upright way or horizontal, and reserved the botton jacks, will not affect iphone charging and set up , so you can feel great convenient to use always.

OEM/ODM,Customized Logos/Designs are Welcome