5 hours, after 3-weeks use battery life has dropped down to 2 hours on full charge. This is a great mouse for a really awesome price. Cobalt is my favorite color and looks great with my strawberry blonde hair and fair skin! We?ll see how they fit/feel after walking around in them for a while. It sometimes seemed as though the speaker couldnt handle all the sound waves at once and therefore selected which ones should be loudest. (Well, I cant find the button to attach pictures. The USB outlets work quickly to recharge things like tablets. When using adaptor the maximum range is around 6 feet but using laptop built in bluetooth you can get around 12 feet but some functionality with teams is then lost. These are very cute, and extremely comfy. 0 Bluetooth headphones but I love this Losei Bluetooth 5.