The 4th generation of the iPod was released on September 1, 2010, as part of the new iPod lineup. This generation of iPod features the clickable track and buttons to control the volume. The control pad of the 4th generation iPod is 18% larger than the iPod Shuffle that of second and first generations. The device weighs 12.5g and has a dimension of 29mm × 31.6mm × 8.7mm. This model also features VoiceOver inherited from the third generation, but now with a separate physical button that is designated for it and it can deliver the voice output in 29 different languages.
The 4th generation iPod was originally sold in five different colors; they are green, blue, silver (with a control pad in black), orange (with white control pad), and pink (with white control pad). However, the colors were changed after the introduction of iPhone 5. The iPod shuffle and the Mac Mini were announced at the same time. Apple unveiled six new colors for the iPod Shuffle on July 15, 2015. The colors are (Product Red, blue, gold, pink, space grey, and silver). Later on July 27, 2017, Apple announced that the iPod Shuffle is discontinued along with the device iPod Nano.