Instruction: Extract information from the supporting document to answer the given question.

Input:
Question: Works with lifeproof case?
Document: It works fine, no issues for me. It seems there is always something someone will complain about. The only thing you must know is I use a lifeproof case, and these cords will not fit into the connection with this case on... But I knew that from the picture.
This cable works the way it should. However, the end you attach to the iPod or iPhone is bulkier than a OEM (Apple) cable. It will not fit in some cases for that reason, e.g., the Lifeproof case; for that I deduct one star.
This cable works great if you don't have a case on your iPad/iPhone/iPod. Data sync works perfectly with my iPhone 4S and 160GB iPod Classic. I have been using it for a little over a month and I have no complaints regarding the construction or basic functionality, but the 30-pin end is too bulky to fit in my Lifeproof nuud iPad case.
This cord is everything you need in a cord. It has a nice length and a sleek black look. The only draw back to this charger cable is that the black plastic casing on the pin side is slightly too large and makes it difficult to plug into the phone while the phone is in its case. Not a big deal as it still works it's just a tight fit. I would venture to say if you had a fully encapsulating case such as a LifeProof case this wouldn't work.
The iPhone connection was too big for my lifeproof nuud case. Then the cable didn't work when I took the case off.
Seems like a nice cable, but it won't fit into the base of the LifeProof case I bought for my IPhone.
The iPhone end is too fat to be used with a Lifeproof case. The quality seems alright though. Good product.
I paid $79 for the Lifeproof case, so I suppose I should shell out the $29 for the OEM charger.
Only down fault is it does not fit the lifeproof case. It's much larger than the normal apple cord so I have to take the case off in order to charge my phone.
If you have a protective case for the iPhone4 such as the LifeProof case for iPhone 4 & iPhone 4s then this cable will not work for you.Otherwise, this is a VERY good cable.
Answer: It does not work with the LifeProof case, at least my 1 year old cord does not.  The 30 pin plug is too thick to fit into the case.