 Categorized as a R&B-flavored futurepop album by critics, "Bionic" lyrically revolves around sexual themes while also discussing feminism.Critical reaction to the album was mixed; reviewers commended Aguilera's experimentation with new styles, but found it forced and unnatural.The album peaked at number three on the "Billboard" 200 and has sold 332,000 copies in the US as of 2019.