The Manual Booster Vacuum Pump is a personal enhancement device designed for creating controlled suction. It features a transparent cylinder construction with a manual pump mechanism for adjustable pressure control. Key features: • Clear cylinder design for visibility • Manual pump operation • Adjustable pressure control • Ergonomic handle • Compact and portable size This product should be used according to included instructions and guidelines. The transparent construction allows for visual monitoring during use. The manual pump design provides user control over pressure levels. For personal use only. Clean thoroughly before and after each use.