Usually go approximately 3 weeks with heavy use before charging. Although the boom stand is working very well. He’s been looking for years for the right sandal. This rack works great. Sie sind super bequem und luftig. These are the velour version, and I dont find them as sweaty as using the original pleather, or the leather ones (the velour is similar to my Sennheisers. This defeates the purpose of a spice rack. This paired with a tablet, lasted me the entire time. I love em so much that I wear them almost every day! I am more sweaty in the thigh and waist area when wearing it.