Hey there

both the courses are Good if you have interest in it. coursea has launched its e-mba program and its fantastic though doing MBA offline has many benefits and in most of the jobs you may face issues as the course is new. Product management is on other hand can be done online and its cheaper to do as compared to MBA from a reputed college which are providing this course. but it all depends on your interest what you want to do as both teaches you management and are equally professional courses.

Good luck