I believe those are the best as I tried a lot of different models and brands, the curiously here is that the most expensive and the most publicity brands aren’t the best one by my observations, but that ones are so cheaper and supposed China-quality product but they work for the FF so long time and produce strong vibration compared with all other brands
[quote=“x1x0, post:5, topic:1215”]I believe those are the best as I tried a lot of different models and brands, the curiously here is that the most expensive and the most publicity brands aren’t the best one by my observations, but that ones are so cheaper and supposed China-quality product but they work for the FF so long time and produce strong vibration compared with all other brands[/quote] l use same.