PRODUCT DESCRIPTION 

1. Smooth Performance: The smartphone is equipped with advanced tech smarts that ensure it keeps pace with all your activities, whether you're scrolling through content, snapping photos, watching videos, or working on tasks.

2. Extended RAM: It offers up to 4 GB of Extended RAM. Extended RAM typically allows the smartphone to allocate additional virtual RAM from internal storage when needed, which helps in multitasking and running demanding apps smoothly.

3. Extra Storage: You get up to 1 TB of Extra Storage. This massive storage capacity ensures that you have ample space to store all your photos, videos, apps, and other data without worrying about running out of storage.

4. Dynamic Computing Engine: This feature enhances the overall performance of the smartphone. It likely optimizes tasks and processes to ensure efficient use of the device's resources, thereby contributing to smoother operation over time.

In summary, this smartphone promises not only powerful performance but also longevity, thanks to its robust tech specs including Extended RAM, extensive storage options, and a dynamic computing engine that collectively enhance user experience and ensure the device stands the test of time.