* Absolute music freedom with no wires or cords to dangle or tangle
    * Store up to 120 songs on the 512 MB version or up to 60 songs on the 256 MB version
    * Solid-state NAND flash memory with no moving parts
    * Up to 6 hours of playback time on a single charge
    * 75MHz DSP with 18-bit Sigma Delta DAC for state-of-the-art audio fidelity
    * Custom Mylar speakers with three directions of movement for precise positioning
    * Flip-up lenses with contours that maximize protection against sun, wind and side impact
    * HIGH DEFINITION OPTICS® for clarity at all angles of vision, even at lens periphery
    * PLUTONITE® lens material to filter out 100% of all UVA, UVB, UVC and harmful blue light up to 400nm
    * Durable O MATTER® frame with 1.8 ounce (52 gram) total weight for all-day comfort
    * Option of the best polarized lenses on the planet (256 MB version only)
    * Ability to store data files along with song files
    * High Speed USB cable (included) for transferring song files from Mac or Windows PC
    * For more information on THUMP, please call 1.800.969.2895