Stay away from Ryoko
The product seems fine and does what it says.
The incessant follow up and product plugging has just made me want to forget about Ryoko and certainly not recommend then for any of their products.
Buyers beware, you will never ever be able to rid yourself of the pestilence of unwanted contact even after multiple 'unsubscribes' and direct contact to remove from contact lists. Leave me alone!!!!!!