Nexus Boost is a remote-controlled prostate and perineum massager with an inflatable tip! Two powerful vibrating motors deliver dual stimulation to the perineum and prostate whilst the inflatable tip allows you to customize your prostate pleasure. Simply inflate the tip as much or as little as you like to adjust the pressure. Tip inflates from 1.3 inches up to 1.8 inches. Boost also comes with a rechargeable remote control, making it perfect to use alone or with a partner. Silicone 6 vibration settings Waterproof/submersible Rechargeable waterproof remote control Insertable length: 3.85 inches (98 mm)