Specifically， this product has donated 5 AG13 batteries
[function]
The most bewitching color， this kind of dedication to you very pretty and charming， the rhythm control vibration the one and only， using the latest technology， 10000 per minute speed brings a strong sense of touch， let you feel the warm comfort in the open， silent.
Specifications.
Length 7.0cm， diameter 2.0cm. One piece.
Material Science.
Medical polymer non-toxic materials
[Methods]
1 the correct installation of the battery (this product uses 5 AG13 batteries)
In 75% 2 before use alcohol disinfectant scrub products， in productwith proper amount of lubricant (suggested with the condom)
3 is inserted into the body， start switch， until the climax