● IPX7 offers complete waterproof protection, making it suitable for use in the bathtub, easy to clean, and pressurizes water baths for optimal results. ● Choose from 4 suction and pressure hold levels, along with 3 cycle training levels, for a safer and simpler experience with one-click deflation. ● Monitor pressure values in real-time with the silicone screen display. ● The noise-reducing motor combines a 3.5 motor with a soundproof silicone strip for quiet, waterproof operation. ● The masturbation cup mode is compatible with TPE vaginal soft glue (note: vaginal sleeve not included) and provides a 3-speed cycle. ● Equipped with high-purity silicone sleeve, softer and more durable. Product parameters: Function: 3-speed cycle + 4-speed pressure maintaining and sucking + one-button deflation Pressure level: 0-35 kPa, 0-45 kPa, 0-55 kPa Waterproof grade: IPX7 (can be used in bathtub) Air pump: 370 fully waterproof air barrier membrane + waterproof solenoid valve Barrel height: 20cm/7.87inch Barrel mouth diameter: 6.5cm/2.56inch Silicone ring diameter: 2cm/0.79inch+2.7cm/1.06inch Material: silicone+ABS Charging time: 2.5 hours Working time: 2-2.5 hours Charging: USB magnetic About product power: In order to increase the battery life and ensure the safety of transportation, the initial battery level of the product is at 15%. Due to long-distance transportation, it may not turn on. Please charge it for 3 hours before the first use. 4 different suction intensities: the pumps have 4 selectable suction levels, including a constant pressure mode with 1-3 levels and the intelligent suction mode with 3 levels. After you turn on this men's sex toy, you can select the desired training mode by touching the LCD display.This electric pump uses vacuum pressure that can reach up to 60Kpa, allowing you to remove 60% of the air from the vacuum chamber, letting you see a more noticeable change. The vacuum pump is the perfect choice for foreplay, enhancing intimacy and making for a better love experience.IPX7 waterproof: unlike conventional electric pump, our pump is really IPX7 waterproof, you can use it in the bathroom and in the bath for a better sexual experience. The pump is very easy to clean and can be completely submerged in water for real cleaning, which is safer and more hygienic.Silicone screen display, super quiet: Unlike other vacuum pumps, the automatic suction electric pump is super quiet, bringing you strong pleasure. The silicone screen displays the corresponding air pressure on top. This makes the operation simple and helps you better understand yourself.1.It's like a marathon, you gotta stick with it for 1-2 months.I will write the specific usage steps at the end. 2. "↓↓" is the button to release pressure and lower the gear. If you feel uncomfortable, please press "↓↓" immediately. 3. Our pump is designed to be completely waterproof and can be cleaned more easily. 4. The pump has a one-touch release function, make sure you know where it is to avoid injury when the pressure is too high.