It's usable but lacks some key features.
★★★★★This deserves more than 5 stars.
★★★★★Remarkably good and exceeded all expectations.
★★★★★Meets expectations, good buy.
★★★★★This product exceeded some of my expectations.
★★★★★Reliable and efficient.
★★★★★High quality and great value.
★★★★★Exactly what I was looking for.
★★★★★