I was always warey of mpow ever since I ordered bluetooth earbuds and wired earbuds came, back before they had many reviews.
You really don't need fake reviews,
Amazon had a program to kickstart with 5 reviews, where you can award the reviewer with a $5 amazon gift card, through Amazon.
I know someone who launched a private label product, filling a previously unfulfilled need, and by now had over 150 ratings, and over 30 written reviews. He didn't solicit more than those 5 official ones. This is after about 5 months.
People, there is such thing as organic reviews.