7 Types of Circular Colorful Breathing Light Effects; the light cannot be set to a specific color. When the switch is activated in the middle position, the mouse will turn on. If the switch is activated in the bottom position, it will activate the Backlit LED. While charging, the Blue Backlit LED will illuminate, and it will turn off once fully charged. Rechargeable and Ergonomic Design: No worry of battery running out - simply charge the mouse with the included micro-USB charging cable when power is low. A full charge provides up to 6 months of use, with a battery lifespan of 500 cycles. Specifications: Dimensions: 4.68x2.64x1.54 inches. Weight: 0.20 lb. 2.4G Bluetooth 5.0 Dual Mode: This innovatively designed mouse works with TWO DEVICES, connecting one via Bluetooth and the other through RF 2.4GHz. Ideal for those who prefer not to use separate Bluetooth and 2.4G wireless mice for their laptop or tablet or between laptops and desktops. Switch between devices effortlessly with a single click. Experience comfort with a great hand feel, featuring 1600 DPI (800/1200/1600 three-level DPI adjustment) to meet your various needs for work or gaming. Five buttons enhance productivity and efficiency, paired with durable and smooth Teflon feet and quality ABS construction for ultimate control in gaming. It��s simple to use - just plug and play with no additional software or firmware needed; compatible with operating systems: Windows 2000/2003/Win7/8/10/Vista/ME/Mac OS/Linux. A special setting switch button on the backside of the mouse allows for maximum efficiency control.