Nintendo 3DS console features real 3D graphics, no glasses needed! The Nintendo 3DS is a breakthrough in portable entertainment, a truly cutting-edge piece of hardware. The Nintendo 3DS opens up a whole new world of gaming possibilities with its stereoscopic 3D display. Imagine seeing Mario in the 3rd dimension or rescuing Zelda with mind blowing 3D graphics. It has to be seen to be believed. What if you don't want 3D graphics? The Nintendo 3DS allows you to adjust the intensity of the 3D effects and turn them off completely with the 3D depth slider should you need to give your eyes a break, or if you have children ages 6 and under whom play for extended sessions. The Nintendo 3DS gives you total control over your games from the built in Gyro sensor to the Circle Pad to the always trusted D pad and stylus.  The gyro sensor allows you to use the device as the controller.  Tilt the 3DS and watch the compatible game react.  For the active gamer the 3DS offers the Activity log which rewards you for carrying the 3DS with you as you walk with in-game coins!  Additionally StreetPass™ allows you to communicate and share your Mii and game information with random people you meet throughout the day.  Pictures can be taken in 3D using the 3DS and its three built-in cameras.  Your pictures will come to life in crystal clear 3D.. Sound: Stereo speakers positioned to the left and right of the top screen (supports virtual surround sound). Stylus: Telescoping stylus (approximately 3.94 inches when fully extended). Electric Power: AC adaptor (WAP-002 [USA]). Nintendo 3DS Battery Pack (lithium ion battery) [CTR-003]. Charge Time: About 3.5 hours Battery Duration: When playing Nintendo 3DS software about 3-5 hours. When playing Nintendo DS software about 5-8 hours. Battery duration differs depending on the brightness setting of the screen. The information regarding battery duration is a rough standard. It can be shorter depending on what functions of the Nintendo 3DS system are used. Game Card: Nintendo 3DS Game Card. The size is approximately the same as Nintendo DS Game Card.