Soundless Clicking & Ergonomic Design Both left and right keys are silent. Say goodbye to the annoying noises when you are working at home or plays games. At the same time, its symmetrical & streamlined design and comfortable materials fit your hands perfectly and naturally, greatly reducing hand fatigue after long-term use. In addition, we will provide charging cable and USB in the mouse gift box 7 Breathing LED ColorsIlluminated colorful Leds that change its color randomly create a wonderful atmosphere, making you indulge in your play, which is really a cool gaming mouse. And the Led lights can be turned off if you do not need. Extended Battery LifeBuilt in larger 400mAh Lithium battery.It can be used for about 30 days once full recharged. Thanks to its Lithium battery, you can even use the mouse when it is recharging. Adopted Advanced TechnologyIt can not only provide reliable wireless connection but also an accurate tracking. Allowing you move your gaming mouse