obviously, the keyboard is not going to charge pretty as swiftly with USB passthrough enabled, but I almost never found this to be an issue. The ROG Claymore II's battery life is very good as wireless keyboards go, https://brendajbao628448.targetblogs.com/30142068/the-single-best-strategy-to-use-for-asus-rog-claymore-ii-wireless-rgb-modular-gaming-keyboard-blue