Volume is the quantity of three-dimensional space enclosed by the product's chassis or, in simpler terms, the space the product occupies.
2.control panel placed on a device
There is a control panel on the device body, so you can easily access the volume control or remote without having to interact with a cable or another device it's connected to.
We consider a lower weight better because lighter devices are more comfortable to carry. A lower weight is also an advantage for home appliances, as it makes transportation easier, and for many other types of products.
With a detachable cable you can use alternative cables, and if the cable is pulled it will pop out instead of breaking.
The height represents the vertical dimension of the product. We consider a smaller height better because it assures easy maneuverability.
A remote control allows you to control the device remotely. The remote control can be included or optional.