If price tag is the benchmark of the quality of a product, we may simply rule out some of the most unique products with low price tags, even without measuring their actual worth. The USB Bamboo portable speaker, priced at $30 is an inexpensive but effective amplifier for your mobile phones and PMPs. The bamboo finish lends not just a unique look to the speaker system but also provides a more extensive and improved sound range (300-10,000Hz frequency response) than other speakers of the same size. Finished with highly resistant bamboo, the portable USB speaker system also stands tall in supporting the ecology and allowing the users to support the green drive going worldwide.