Product Introduction Product Name：Smart Aqua Penis Pump Product model：ZD-66 Product features： Patent Certification, Innovation-Backed Developed through three years of meticulous R&D, our product has been granted a U.S. utility patent. We've achieved dual innovation in both structural design and functional implementation, ensuring enhanced quality and reliable performance. Dual-Mode Design, Multi-Scenario Applicable Operates in both air and fully submerged environments (e.g. bathtubs, swimming pools) with IPX8 waterproof certification, meeting your needs across different usage scenarios. Underwater Use, Threefold Advantages Comfort Enhanced: Warm water circulation envelops your body, making the experience more enjoyable and relaxing. Safety Reinforced: Warm water naturally promotes capillary dilation, reducing rupture risks for safer use. Effect Enhanced: The maximum vacuum intensity the human body can withstand increases from -35kPa in air to -45kPa in warm water, helping you achieve better exercise results. Intelligent System, Assured Comfort Equipped with 9 intelligent circulation modes, balancing safety protection and comfortable experience, making each physiotherapy session more reassuring and pleasant for you. Operational Clarity, Instant Insights The screen will clearly display real-time vacuum values and various operation data. You can keep track of the equipment status at any time. Everything is under control, which is both safe and convenient. Fully Waterproof, Effortless Cleaning The device features complete water resistance, and can be directly rinsed with water. It is easy and effortless to clean, keeping the equipment clean and new at all times. High-End Acrylic Cylinders, Experience Upgrade The vacuum cylinder is made of premium acrylic material. Even if the vacuum pump is separated from the vacuum cylinder, the vacuum inside the cylinder can still remain unchanged, effectively extends the usage effect. Customize freely Supports replacement of vacuum cylinders in various sizes. You can flexibly match and freely choose according to your personal needs and comfort. Specification： • Product color: Transparent blue • Product weight: 0.35KG • Product Dimensions: Pump Size :2.8 inch*2.8 inch*3.9 inch Tube size: 9 inch，12 inch Tube Inner size: 1.5 inch, 1.75 inch, 2.0 inch, 2.15 inch, 2.25 inch, 2.5 inch, 2.75 inch, 3.0 inch • Insertable length: 8.7 inch • Charging time: 120 minutes • Discharge time: High underwater load: approximately 85 minutes Low underwater load: approximately 90 minutes High air load: approximately 95 minutes Low air load: approximately 110 minutes • Rechargeable (Yes/No) : Yes • Charging cable: Type C interface • Battery type: Polymer lithium battery • Battery capacity: 700 mah • Motor speed: 7000 RPM • Motor voltage: 3.7V • Motor working current: 550MA • Motor locked-rotor current: 650MA • Number of motors: 1 • Speed Mode: 9 modes • Waterproof rating: IPX8(Suitable for fully submerged scenarios: bathtubs, pools, deep water, etc.) • Noise decibel values (dB) : Air noise 55-58 decibels, underwater noise 40-45 decibels Product materials ABS/ Silicone/Acrylic