Portable Silicone Horn Stand Acoustic Amplifier for iPhone 4 - Blue

Pros: It amplifies the volume of the sound and you may use it like a dock to keep the phone up in your desk. It's good to hear music in a big room. PT-BR: Amplifica o volume e você pode usá-lo como um dock para deixar seu iPhone em cima da mesa.

Cons: You can't use it with a bumper or any case. PT-BR: Não é possível usá-lo se o iPhone estiver com alguma capa ou bumper que aumente o tamanho, pois acabar não entrando no encaixe.

Other: Buy it, it does the job perfectly well, and it's what's your looking for. PT-BR: Compre! Ele funciona perfeitamente bem e é o que você está procurando.

Pros: Is really nice and funny as a gift. I saw it on a shop for a 5 times higher price and i bought it here really cheap. The quality is ok and really increase the volume of the sound. I use it for listen to the radio on my iphone and now i can hear it prefect.In the same time you can charge it because have a lower hole to put the dock

Cons: If you charge it in the same time as you use it, it can´t stay standed because the cable will turn it.

Other: Useful and works as it say. Just put it in your phone and the sound will increase.