BLU Products' latest smartphone creations have been announced, with their Quattro line of smartphones all based on NVIDIA's Tegra 3 SoC and Android 4.0 Ice Cream Sandwich.

The first of which is the entry-level Quattro 4.5, featuring a 4.5-inch qHD display, 5-megapixel rear-facing camera, 4GB of internal memory expandable by up to 32GB with an external memory card, and 1GB of RAM. The Quattro 4.5 will be available in the coming days at $249.99 unlocked through various websites in the US.

Next up we have the Quattro 4.5 HD which sports an Advanced Super View 4.5-inch HD 326ppi display which is protected by Corning's Gorilla Glass. We find an 8-megapixel rear-facing snapper on the Quattro 4.5 HD which also features an f/2.4 large aperture lens, 16GB of internal storage and 1GB of RAM. The Quattro 4.5 HD will be available in the first week of this month at $349.99.

Finally, we have the bigger Quattro 5.7 HD which - as you may have guessed - sports a 5.7-inch 1280x720 display, an 8-megapixel rear-facing camera, 4GB of internal memory expandable by an external memory card and a 1GB of RAM. The Quattro 5.7 HD will be available at the end of March at $299.99.