Hopefully this speaker has good sound quality. Amplifies music from compatible devices such as a Smartphone via vibration.
YellowStone NFA Wireless Speaker $9.95 + $5 Delivery at JB Hi-Fi
![](https://files.ozbargain.com.au/g/38.jpg)
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rohitroygre on 14/04/2015 - 02:40 jbhifi.com.au (376 clicks)
Last edited 14/04/2015 - 06:12 by 1 other user
Last edited 14/04/2015 - 06:12 by 1 other user
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I think the only Yellowstone product which is good is their microfibre tip styluses haha.
All nfa speakers are bad.
May as well cut out a horn from an empty bottle and place that behind your speaker
A horn doesn't have a battery though.
Please don't buy Yellowstone products - really bad