A:AnswerThe batteries can be rechargeable or not, but there is no way to recharge rechargeable batteries through the mouse. It takes two AAA batteries, and, with normal use, they last about six months.
A:AnswerWe recommend checking the tech specs for Arc Mouse here: https://www.microsoft.com/en-us/p/microsoft-arc-mouse/93hfjlp7d0cv?activetab=pivot:techspecstab with those of your Dell laptop.
A:AnswerYes, but it does not support macOS gestures, and it has standby issues with macOS Catalina. Once the Mac goes to sleep I have to click the mouse repeatedly (average of 10-15 times) and move it before it will wake up.