Used Apple iPod Nano 3rd Generation 4GB Silver

Capacity: 4GB.
51 mm QVGA screen.
Video-playing capability.
Lighter color shades and chrome back.
Navigation: Click Wheel.
Hold switch is on the bottom.
This nano is compact and thin with dimensions of 2.75 x 2.06 x 0.26" and weighs only 1.74 oz (49.2g).