The Mystim Sultry Subs Black are versatile and obedient electrical sex toys that can be wirelessly controlled by the Mystim Cluster Buster, allowing for a customizable and pleasurable experience with other Mystim toys. With features like self-adhesive electrodes, a rechargeable Li-Ion battery, and remote control capabilities, these CE-certified devices offer a unique and convenient way to explore different programs and intensities for a truly electrifying experience.