DSL 

1.Touch Screen Technology

Control the action or access menus using either your finger or the supplied DS stylus to touch or tap the screen

2.Dual Screens

Two ultra bright LCD screens give you twice the action, twice the color and twice the fun of other handheld consoles.

3.Wi-Fi Connection

 Wi-Fi Connection lets you test your skills against players everywhere from the other side of the room to the other side of the world.

4.Microphone

With a built-in microphone, the DS Lite gives you even more ways to interact with your favorite games and friends via Wi-Fi Connection.

5.PictoChat

Use your stylus with PictoChat to create drawings and text messages to send to all your DS friends.

NOTE:  DS Lite wireless communication, including PictoChat, is not private and is not monitored by Nintendo. We recommend that you never reveal any personal information or arrange to meet a stranger.

PictoChat is local wireless only. You need to be within 30 feet of another system to communicate.

6.Backwards Compatibility

DS Lite doesnt just play DS games it also features an additional port for Game Boy Advance Game Paks.

7.Wireless LAN

Create a local wireless network of up to 16 players between 30 to 100 feet away. Plus - for some titles, this feature requires just ONE DS Game Card.

8.Headphone Jack

Use the stereo headphone jack for the ultimate DS sound experience. Suddenly the action isnt just in your hand its in your head!

9.Rich Stereo Sound

DS has rich, stereo speakers that pump out virtual surround sound that takes you right to the heart of the game.