BURDEAN PC Wireless Gaming Mouse LED RGB Backlit MMO 7 Programmable Buttons Mouse with Macro Recording Side Buttons Rapid Fire Button for Windows Computer Gamer

At one full charge it stays for about 21 days( 8 hours use per day). The problem there is no indication of the battery level or its charge is low. It goes into sleep mode within 1 min of inactivity which is good for saving battery but when you suddenly move your mouse it won't work, you need to click it to wake it up.