"A facial cleansing brush is a handheld or battery-operated device that gently exfoliates the skin and effectively cleanses it of dirt, oil, and dead skin cells," she explained.

Source: https://www.thesun.co.uk/health/22871486/skin-doctor-skincare-cures-harming-health-scrubs-wipes/

Electronic cigarettes are battery-operated devices that emit a vaporized solution to inhale.

Source: https://www.africanews.it/english/electronic-cigarettes-ban-a-critical-tool-in-ugandas-battle-against-tobacco-use/

Since it’s battery-operated, it doesn’t have an unmanageable cord and is simple to use on the go.

Source: https://www.courant.com/2023/12/19/these-coffee-gifts-are-great-to-give-any-coffee-lover-on-your-christmas-list/