Invented and designed by women. 8 speed setting to adjust intensity. Slender ergonomic design for comfort. Quiet Operation, vibration free handle. SpiroTIP revolution technology. Designed for solo and partner play - Washable, waterproof and durable - Medical-Grade Silicone/ABS Plastic - Water based lubricant-safe Induction re-chargeable by USB - Long lasting battery life 1 - year warranty.