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Video about the product,you can know how to use the penis pump Theory:

1. Negative preure/suction helps to relax the smooth muscle cells, this allows for sponge swells. 2. After the sponge expands, arterial blood flows in to speed up the sponge hyperemia and increases the hardneof your penis. The more the sponge is inflated, the more solid your penis will be and the more it will grow. 3. Air preure will increase your cavernous body, with low vacuum preure in the cylinder, your cavernous body will be exercised in a physical safe way. 4. Universal design, fits all.

This is the real vagina for Mastute while exercising

There are differ size for rubber rings

Use suggestions

It is recommended to exercise once a day in the morning and evening, 5-10 minutes at a time, pumping to the penis to comfortably erect, perceive the penis to pull, pause for 1-3 seconds, then release the preure, pause for 3-5 seconds,Then cycle extraction and deflated.

Note: You can't be in the extraction state for a long time, you must extraction and deflate the circulation to avoid hurting the penis.

Usage time :

1. (1~5) days, 5 minutes a day, up to 2 times a day

2. (6~10) days, 8 minutes a day, up to 2 times a day

3. (11~15) days, 12 minutes a day, up to 2 times a day

4. (16~20) days, 16 minutes a day, up to 2 times a day

5. (21~25) days, 20 minutes a day, up to 2 times a day

3 months of exercise time

Operational Guidelines:

1. Ensure that all parts are securely connected.

2. Apply a little around the silicone ring to reduce friction.

3. Gently insert your penis, ensure that the seal is airtight around your penis.

Instructions for use: 1. Before using,please chagre it for 2 hours.

2. Long pre the power on to turn on and off.

3. Automatic mode (operating mode will automatically cycle)

4. Manual mode (Short pre change working mode)

About shping
Shping and Packaging All it will be double checked and well packed before sending.It will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). 

Special Announcement:
Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resoe the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties or taxes. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .

Your 100% satisfaction is very ant to us
If the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.