The phrase "tasteful touches" means adding small, subtle, and elegant details that improve the overall appearance or quality of something. Full definition
The entire interior is decorated with exquisite simplicity, featuring natural materials, beautiful furnishings, and tasteful touches of sea - inspired colors. (luxuryretreats.com)
The case is topped by a sleek cardboard slipcover with tasteful touches of embossing and foil. (dvdizzy.com)
It feels weighty and solid, and while the finish isn't glamorous there are a few tasteful touches including a gentle forward angling of the speaker grille. (techradar.com)