Flux - hard play for hard playersdesigned for intense play or edging for improved stamina control, electrastim flux multi-function stimulator has 99 intensity levels, 6 play modes and configuration options to let you play your way, flux delivers uncompromised high-end features and unrivaled functionality the perfect upgrade from a single channel or introductory stimulator.simple operation combined with a high speed micro processor and high contrast oled display means you stay in constant control of flux’s responsive play modes.usb rechargeable with eco-conscious lithium-ion battery6 play modes, 20+ patterns, control using buttons or audio input. zero override mode can be activated for more experienced players to maintain intensity during mode changes.includes stereo line in cable, usb cable and built-in microphoneno electrodes included