Note:<br /><br />1.This product is adult products， minors do not buy<br />2.This product is for individuals and couples to use， please keep hygiene before and after use.<br /> 3.In order to ensure customer privacy， the goods to take strict measures to ensure and confidential delivery of goods<br />4.Before use， warm water shower for 5 minutes to allow the body to relax completely， so that testicular full sag to prevent the use of increased pump was Sucking<br />5.We recommend that 15  minutes every time， 3 month for a period of treatment. For the sake of your health， please do not overuse the product.<br /><br />Tips:<br />It would be perfect experience to combine with lubricant!<br /><br />Steps to Use<br />1. Put lubricant on the genitalia and then fit on a soft rubber plug. (Use first in small， then in the medium， at last in large.)<br />2. Insert the genitalia into the vacuum tube， use the manualtype ball valve to let out the air inside. Step by step， until the genitalia is filled with feeling of hyperaemia.<br />3. After being swelling disappeared， open the vacuum tube discharge air valve to complete an intensive training.<br />4. Take out the genitalia from the vacuum tube.<br />5. To further strengthen exercise to the genitalia， can repeat the above Step 1-3.<br /><br />Specifications:<br />Material: ABS<br />Type: Pump<br />Item Size: Approx. 6.2 * 23.0cm / 2.4 * 9 in (D * H)<br />Item Weight: Approx. 235g / 8.27oz<br />Package Size: Approx. 6.7 * 6.7 * 24.2cm / 2.6 * 2.6 * 9.5in (L * W * H)<br />Package Weight: Approx. 260g / 9.18oz<br /><br />Package List:<br />1 * Pump<br />1 * User Manual (English)