The retro craze is still going strong, especially with gadgets like an MP3 player inside an actual cassette tape. You have all the benefits of an MP3 player--an SD card slot, music and volume controls, an on/off switch, and a USB charger--but in a decidedly retro cassette tape. And this is the crazy-cool part: This cassette MP3 player can be used like a normal cassette in a regular cassette player! Now, we do have to offer a caveat emptor and all that, especially as we're not too sure about the music quality. Still, this is one fun-looking gadget that combines retro style with modern technology. It's also surprisingly affordable, at $21.96. [Source: GeekSugar], and devices that will . But here's something that kicks it up a notch--
Is your phone battery always at 4 percent?
These battery packs will give your device the extra juice to power through all of those texts and phone calls.