1. It's less than two-thirds the size of the original Nintendo DS and more than 20 percent lighter.
2. It's two bright screens can be adjusted to four levels to adapt to different lighting conditions and to extend battery power.
3. The microphone sits in the center of the unit, and the LED lights are clearly visible whether the unit is open or closed.
4. The stylus is 1 centimeter longer and 1 millimeter thicker than the stylus of the original, and slides into a side storage slot.
5. The Start and Select buttons were repositioned for easier access.
6. A removable cover keeps the Game Boy Advance cartridge slot clear from dust.
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