A close-up of a small battery pack being inserted into a chair.

The video starts with a close-up of a small battery pack, then shows it being inserted into a chair. The chair is then assembled, with the base, seat, and back being put together. The video highlights the chair's adjustable armrests and lumbar support, and finally shows a person reclining in the chair with the footrest extended, turning the chair into a 'sleeping place'. The assembly process is shown to be quick and easy.