Description 1. Safe silicone material, soft and highly elastic. 100% waterproof. 2. By limiting the blood flow of the penis, it can make you bigger and longer, improve your sensitivity, and bring amazing pleasure to you and your partner. 3. It has powerful motor, provides 10 vibration modes, and supports USB magnetic charging. Enjoy the endless sexual pleasure it brings anytime, anywhere. 4. Long press the on/off button for 3 seconds, and the product enters the standby mode. Short press can switch 10 different modes. Long press the on button for 3 seconds to shut down in any mode. Product Description Applicable People : Couples \ Husband \ Mans \ Males \ Gays Age : 18 \ Adults Product Appearance : Triangular Product Colors : Black Product Material : Silicone Product Features : Delayed Ejaculation Trainer \ Vibrators Massager Waterproof : IPX7 Feel : Soft Frequency : 10 Modes Vibration Way To Control : Button Control Volume : 50 dbs Power : Lithium Battery Size : 53mm * 45mm Weight : 55g Accessories : USB Charging Cable