The Apple iPod 4, also known as the iPod Touch (4th generation), was released in September 2010 and marked a significant evolution in Apple's portable media player lineup. It featured a 3.5-inch Retina display with a resolution of 960 x 640 pixels, resulting in sharp and vibrant visuals. The device was powered by the Apple A4 chip, which provided improved performance and efficiency. The iPod 4 was available in storage capacities of 8GB, 32GB, and 64GB, catering to various user needs for music, apps, and video storage. One of its notable features was the front and rear cameras, allowing for FaceTime video calls and photo capture. The rear camera was capable of recording 720p HD video, making it a versatile option for users who wanted more than just a music player. The device ran iOS 4, giving users access to the App Store, where they could download a myriad of applications and games. The iPod Touch 4 also included built-in Wi-Fi connectivity, enabling users to browse the web, download content, and use online services. The sleek design and multiple color options also contributed to its appeal. It was a popular choice for those looking for a multimedia device in a compact form factor.