Our Mystim Sultry Subs are true teammates: Any number of them obey their master, the Mystim Cluster Buster, and send electrical impulses to one, two, three, or an unlimited number of Mystim toys to pamper or torture you wirelessly, as you prefer. • Sultry Sub Channels: 1-8 • Digital electrostimulation device (receiver) • An infinite number of receivers (channels 1 to 8) can be controlled with a single remote control (Cluster Buster) • Allows you to control all Mystim toys remotely. Technical Data: • Type: E-Stim stimulation device (receiver) • Asymmetric biphasic square wave pulse • Rechargeable lithium polymer batteries • Sultry Sub Dimensions: Ø60 x 22 mm • With flexible belt clip • Instructions for use in DE, EN, FR, IT, SP, NL and RU • 12-month warranty