Bluebell - Vibrating Kegel Ball Exerciser Set

NIH has indicated that: 
Step 1 - Insert one finger into your vagina, and pretend you are trying to avoid passing gas, then let go. 
Step 2  - Tighten the right muscles, you should feel the muscles tighten and move up and down. 

Before starting, your bladder MUST be empty. Make sure to empty it, and then sit or lie down. 

The First stage: 
 - Put the 0.065lbs weight into the right place on your vagina, and tighten your pelvic floor muscles for 3-5 seconds, then relax for 3-5 seconds, repeat the process 10 times, and 3 times a day. 

The Second Stage: 
 - Put the 0.110lbs weight into the right place of your vagina, and tighten your pelvic floor muscles for 3-5s, then relax for 3-5s, repeat the process 10 times, and 3 times a day. 

The Third Stage: 
 - Put the 0.172lbs weight into the right place of your vagina, and tighten your pelvic floor muscles for 3-5s, then relax for 3-5s, repeat the process 10 times, and 3 times a day. 

Product Name: Bluebell 

Product Materials: Silicone

Net Weight: 0.065 LB; 0.110 LB; 0.172 LB

Size: 0.94" * 1.81" * 5.31" / 24 MM * 46 MM * 135 MM; 1.10" * 2.28" * 5.71" /  28 MM * 58 MM * 145 MM; 1.26" * 2.56" * 6.06" / 32 MM * 65 MM * 154 MM

Waterproof: IPX7