Slip the cleverly designed Horn Stand onto your iPhone 4 for instant sound amplification wherever you are - it'll boost the audio output of your handset's inbuilt speaker by up to 12 decibels without sapping a single drop of battery juice! 

How does it work? Just like a normal horn amplifies the noise passed into it, this diddy version collects the sound from your iPhone's built-in speaker, amplifies it through the horn-shaped acoustic channel and projects it into the room. Instant sound amplification with absolutely no drain on your battery! The Horn Stand works both horizontally and vertically. 

Top quality detachable silicone horn speaker stand for iPhone 4. Horns have been used to amplify sound for centuries, so consider this stylish mini silicone version the 21st century take on a classic creation!

This modern device can be used as a stand when you want to watch a video, make a hands-free call, monitor your email, surf the web, or to simply use your device as a digital picture frame.

Made of soft silicone material, this soft silicone stand is with horn design which can reduce the friction in daily use. It is washable, dirt and scratch resistant. 

No external power needed.

Please Note: 

iPhone 4 not included
No external power source needed