But youll make it work. Length of use from one charge is extensive. Purchased this item to get the mic off of the desk and closer to me during my Streaming Sessions. The sizing is a bit off. When I went to actually where (first time) them on vacation they fell apart. These fit well, and have good controls. 5 is a number 9. I recommend this highly if youre going to clip this and let it dangle from bag or belt loop. teniendo en cuenta que no hay otros similares de igual o mejor calidad, volvería a comprarlo These slippers did not even come close.