1. Improve performance: The penis trainer can help enhance the endurance and hardness of the penis, that is, improve the performance and satisfaction of sexual life. A strong penis can have more power during sexual intercourse, making sexual desire stronger and improving self-confidence. 2. Adjustable weight: The trainer has an adjustable weight, which can adjust the weight according to personal needs, so as to personalize your own exercise plan. This ensures that the training is safe and effective and avoids injuries caused by excessive exercise. 3. Training for the testicles: The penis trainer is designed to exercise the testicles at the same time. Stable and appropriate pressure can enhance the toughness of the testicles, which is of great help to improve and enhance sexual desire. 4. Powerful: In addition to the training function, this trainer can also be used as a sex toy, bringing users more fun and freshness. Suitable for single and partnered men. 5. Easy to use: The product is compact in design, easy to carry and store, and can be used conveniently at home, in hotels or on travel. And clean simple, very easy to maintain. 6.This product is for adults only. Minors (under 18 years of age) should not purchase it. Specifications: New and high quality! Material: Stainless Steel Color: As the pictures show Size:As the pictures show Package quantity:1 set Note: Please allow 2%-3% differences due to manual measurement. The above dimensions are for reference only. As different computers display different colors, thank you for your understanding, the actual product color may be slightly different from the image.