If you have a wireless optical mouse, you might hate the hassle to replace the battery when its power getting low. Well, at least I do. The new mouse from A4 Tech, NB90, might be a solution for you (and me). Utilizes electromagnetic induction technology to transfer power to the mouse via the mousepad makes this wireless optical mouse battery-free. Yes, that’s right, no more battery requires. So you can keep using it forever, until you get bored.

NB90 wireless optical mouse uses RFID technology to keep mouse movement precise and accurate. Priced $49.99, the mouse equipped with 2nd Side wheel for added functionality and Office Jump Switch function, where you can set specific actions for Microsoft Office functions.

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