Review title is Nice, but not sure yet. [SEP] This shaver is nice but after about a week of use, the product began to squeal. I contacted the seller by email and they responded by telling me that usually is the way the blades are seated in the head and try to take it apart and try to reinstall.  I did as instructed and it still squealed intermittently.  I wrote back and told them it was still doing it.  They responded by sending me a new shaver head.  Thank you.... But I told them it didn't sound like the head/blades were the problem.  It sounds like the motor/unit itself is squealing. They wanted me to take a video and send it to them so their engineers can take a look because they haven't had this issue before.  It's just not worth the hassle of going thru all that for the price point.  I can just buy another one or different shaver all together.  The unit does work though and with intermittent squeal, i can just deal with it but i shouldn't have to.