Professional Stamina Trainer---This penis training tool is designed especially for men to stimulate penis and glans to improve their stamina so as to prolong sexual life. The cup is designed with expanding wings so that you can manually hold and adjust it to wrap around your penis fit to your own sizes for better stimulation.
Function: 10 Frequency Vibration
Color: Black
Size: 13.2 * 6.7 * 5.7 cm/5.2 * 2.6 * 2.2 inch
Net Weight: 164 g/0.36 lb/5.7 oz
Power: Lithium battery/320 mAh
Material: ABS + Silicone
Package: OPP Bag
Further: Waterproof
Package Size: 23*9*4 CM
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