I want a thong to hit at the first toe joint and would have liked the cover part to hug the big toe. I have used it for two days and by turning it off between calls, I have not had to recharge it yet. I really like these devices. They are comfy to wear and lie on your ears in bed unlike many others. No USB-C charging. I went with the size that was too long because the Nero was just hugging my feet too much. The reason is I was standing on a downward slope and because its a downward slope the trigger stick was just too short to shoot exactly the opposite direction side of the hill. Ive only tried them on and walked around the house, but I like them so far. Great kickstand for my son’s Huffy bike. Super satisfied with this purchase!