1. Penis vibration exerciser, strong big glans, enhance tolerance, simulate the actual battlefield
2. Reduce the sensitivity of the glans to delay the effect of ejaculation, multi-frequency vibration can increase the tolerance
3. The middle corrugated design of the cup stimulates the glans, Double the pleasure
4. Skin-friendly material long soft brush, flower core protection
5. Cup tail protruding texture design, stimulate double egg, enhance tolerance, double the pleasure
6. Strength waterproof