iPod nano 6th generation

At a media event on September 1, 2010, Apple announced the sixth generation iPod nano, which among many new features, is designed around a high resolution square touch-screen.The device now features a smaller 1.54 inch multi-touch screen with a lower resolution of 240×240 pixels but a higher pixel density of 220 pixels per inch,as opposed to the larger 2.2 inch screen on the iPod nano 5G. The device has a 0.39 watt-hour battery rated at 3.7 volts, giving a capacity of 105 mAh,and specified to give 24 hours of music playback on a single charge. The device takes about 3 hours for one full charge.