Calexotics Impulse Intimate E-Stimulator Dual Wand Has 7 Functions Of Vibration, 5 Electro-Stim Pads And A Flexible Teaser For A One-Of-A-Kind Pleasure Experience. Electro-Stimulation Works By Using Zinc-Alloy Stimuator Pads And Small Pulses To Automatically Strengthen And Tone The Pelvic Muscles Responsible For Arousal And Climax. While The Teasing Tickler Stimulates, The Zinc Alloy Electro-Stimulation Pad Pulses For Thrilling Pelvic Muscle Stimulation. The Strategically Placed Stimulator Pad Is Sure You Always Hit Just The Right Spot And Escalate Your Pleasure. Use The Button Controls To Enjoy Up 2 Hours Of Vibrating Pleasure And Charge Up Your Passion In Only 1 Hours By Plugging The Provided Usb Cable Into The Self-Sealing Charging Port On The Back Of The Massager