Lightspeed Wireless: Equipped with the same wireless technology pioneered by Logitech in the award-winning G900 Chaos Spectrum Gaming-grade Performance: With a 1 ms report rate whether wired or wireless, G703 is up to 8X faster than standard mice - which means when the mouse is moved or clicked, the response is near-instantaneous Ergonomically Designed: With rubber grips on the left and right sides to give you added control, the G703 Wireless was made to mold to your hand for long-lasting comfort during gameplay Powerplay Wireless Charging Compatible: The world’s first and only wireless gaming mouse charging system, to keep G703 and G903 charged while at play and at rest Adjustable Weight System: The included 10g removable weight module gives you options when it comes to tuning the mouse exactly to your preferences. With the weight removed, the mouse weighs in at a lightweight 107g New model replaces G403