The speakers built into your smartphone might be ok for making calls in speaker-phone mode but they are far from ideal when it comes to listening to music.
In a situation where you’re not looking to keep your music to yourself by using headphones, Kaiser Bass has come up with a small portable speaker for smartphones, minus and hassle of any tricky setup.
Using Near Field Audio technology, you simply place your smartphone on top of the contact amplifying speaker and your music will be heard with a much louder, fuller sound.
This seemingly magic technology works with most Smartphones. The Contact amplifying speaker form Kaiser baas cost around 60 dollars. What below for my demonstration.
