good power would recommend but a few small changes would make the micro pedi even better [SEP] so far i am pretty pleased with this buffer but there are a few small things that i think emjoi could improve on i was able to use this buffer for both feet after only charging for minutes then plugged it in for the recommended time it would be nice if the red light ever went off to let you know when it was charged but this has not been an issue since it is always charged when i need it i do not know exactly how long a full charge lasts because i have never run it all the way down buffing both feet about min the power is good although i could see that a man with really thick calluses might need more power it does slow down a little if you press down really hard but at least on my feet pressing that hard hurts so for my purposes the power is just perfect the blue buffer has lasted uses so far and seems to still work fine which is pretty good considering how much has buffed off my feet during these first uses the primary reason why i am giving instead of stars is because of two things the rotating head is not viewable degrees ie covered on one side so it really limits the ability to see what you are buffing it is particularly hard to use with your non dominant hand on your opposite foot because you cannot see what is being buffed unless you are looking at the skin from the side i have friends who have the amope which allows you to see your foot better but has insufficient power and is not rechargeable the buffer roller on this micro pedi is inset pretty deeply between the side pieces meaning that you cannot really buff anything that is not convex ie cannot really buff flat or concave surfaces on your feet only things that stick up out like heels and toes this means that i cannot adequately buff the callus just below my toe on the ball of my foot which is a slightly concave area as this is my worst callus that was very disappointing press as hard as i might at different angles i just cannot get that spot with this buffer but for my heels toes and the rest of my foot it is great so overall i would recommend this product based on the batteries saved by recharging the power the comfort in your hand and it is effectiveness on most parts of my feet but i wish the side pieces did not stick so far out beyond the roller limiting usefulness on concave parts of the foot and i wish the roller was not covered on the back limiting visibility