pu1. When I actually went to the store and used it, there was a big difference in noise size. I was surprised to hear the noise from v6. v8 is quiet compared to that
2017-12-06
pu2. When you charge it, you can use the v8 for a longer time
2017-12-06
pu3. If it's the two of you, I'll definitely recommend V8. As Bbu said, there's a lot of noise difference