Super Bird Cup. The shaking intensity of this cup primary target the glans (head) of the penis with heater features.  A warm suggestion from Gatita herself: this product most suitable for those that want to train and prolong their sex duration.

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Function: 5 Model Vibration Color: Black+White/Red+White Size: 14.2 * 7.7 * 6.5 cm/5.6" * 3.0" * 2.6" Power: lithium battery(400 mah) Material: ABS + Silicone Package: Plactic Box Further: Waterproof