iPhone4/4S Stereo Amplifier,iPhone4/4S music Amplifier

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.

User Manual:
1. When use, simple put the iPhone into the silicon sleeve slot can be.
2. For clean, please gently wipe with a damp cloth.