Sym-B® Sensual Collection by Xcitme® raises the standard for Performance, Convenience and Value. The modular design incorporates an independent controller that drives a set of powerful, inter-changeable vibrating heads made from Silky smooth, Body-safe silicone.Collection Includes:Sym-B® - Master ControlSpark – Dual Stimulator VibeLuma – G-spot VibeDoc – USB Charge base