Material: ABS, AS, Silicone Dimensions: Pump Length: 180mm Pump Width: 62mm Tube Length: 220mm Handle Length: 170mm Weight: 290g Operating Instructions: Connect the hose to the electric machine. Attach the hose to the air pressure pump. Place the silicone ring on. Insert the penis to begin the exercise. Switch Buttons: First click: Smooth mode. Second click: Power mode. Long press: On/Off. Release Valve: One-click release when pressure is reached or after use. Features: Enhances hardness for improved performance. Helps to satisfy your partner. Hands-free operation with automatic suction. Package Includes: 1* vacuum penis pump set
