Instruction: Answer the given question by extracting information from the supporting document.

Input:
Question: Does it come with the plastic docking cradle which includes three USB 3.0 ports or with the underpinning just like shown in Product Description?
Document: A poor tablet. Clunky to close up in its plastic case. Portable keyboard already has three keys that don't work. Cheap stand as well for the docking station. Not many USB slots. Will not buy another!!! !
I am convinced that this product is indicative of the future of home computing. With it's full sized USB port, docking station, and HDMI port  I can do anything on this computer that I could on any other. Aside from hard-core gamers, this tablet has everything that one needs in a home computing device. Way to go Acer, by far the best computer I've ever owned!
powerful cpu, sufficient ram, excellent screen, all good except the tiny 64GB SSD and not expandable!!! no card reader, only 1 usb 3.0...
I have had this tablet for about a week now and I am liking it. I'm going to break it down into a Pros & Cons list, here goes:Pros:* 1080P IPS panel looks great* Great battery life* Comes with Bluetooth keyboard tablet case & a usb docking cradle* Keyboard has a physical on/off button/ w full sized keys, good feel to it.
Tablet was received with USB port not operating. Touch screen then ceased to respond to touch. Customer service could not rectify  the issue and believed  it was my responsibility to arrange and ship the brand new tablet to them so they  could repair  it and return. The refurbished  tablet  to me. I returned the tablet and will never purchase an Acer product.
My three criteria for buying anything are function, reliability and durability. 1. I can play Batman Arkham City on this tablet. 2. Once, I dropped the tablet. The screen popped off and all of the guts spilled out. I stuffed everything back in, powered it back on and it ran like nothing had ever happened. 2. I accidentally left it out in the rain while it was turned on. I'm talking about 15 minutes of heavy rain too.
Not a HUGE problem, but an annoyance.All-in-all, I like the product a lot and would recommend it. For the price, you can't beat it!
Pros: I like this tablet, have only had two weeks. The screen size is perfect for me, the keyboard is okay, good cover for tablet. Don't use docking unit. Starts quick as advertised, nice bright screen. Much more versatile than my Ipad, I no longer have to use my old laptop.Cons: Listing says lasts up to 9 hours, however when I just leave it on and do nothing it last 4 hours. Battery life was a major reason I bought this tablet.
I really like this product.ProsBoots really fast,good battery, it lasts over 5 hours!! !Nice ScreenGood keyboardConsA bit heavy for its sizeSometimes the system become unresponsive for a few tiny secondsOverall a very good product and I am happy with the purchase
This computer has beautiful resolution for a computer or tablet .Its great for watching Netflix movies on. The large size of the computer makes it ideal for use as a computer or tablet. It has a fast processor it has touch screen os windows8. Can be uploaded to windows 8-1. Comes with a fast procedssor .Great for multitasking programs, comes with blue tooth wifi and docklng station for hookup 3 usb ports expansion to 32 g. A blue tooth key board.
Answer: Yes it comes with a dock, and a portfolio which includes a Bluetooth rechargeable keyboard.  The tablet has 1 USB 3 port which plugs into the dock and the dock has an additional 2 USB 3 ports