The Milk Master Grip-N-Stroke is a rechargeable male masturbator with strong vibration and suction. The soft, textured sleeve is removable and easy to clean. Squeeze the case to change the pressure and use the air release to control the suction. Choose from 10 vibration, pulse, and escalation settings. The memory function starts with your last used setting. It is waterproof (IPX7) and has a travel lock for safe storage. The removable cap keeps the product clean. It charges with USB-C in about 1.5 hours and runs for up to 90 minutes.