I don't need an ergonomic wireless keyboard.

我不需要符合人体工程学的无线键盘。

An ergonomic keyboard is designed so that you can use it without hurting your hands – without getting any sort of pain in your hands.

符合人体工学的键盘设计让您可以在不伤手的情况下使用它——不会让您的手感到任何疼痛。