The Green Lion Smart OLED Vertical Mouse is an ergonomic wireless mouse designed to reduce wrist strain, featuring dual-mode connectivity, an integrated OLED display for real-time settings, and a multi-function knob for enhanced productivity. A built-in screen provides real-time feedback on key settings, including current DPI level and battery status. It is compatible with a range of operating systems and devices that support Bluetooth or 2.4GHz wireless connectivity, including PCs, laptops, smart TVs, and smartphones. The buttons are rated for a lifespan of up to 3 million clicks. The 500mAh rechargeable battery provides up to 65 hours of continuous working time and charges via a Type-C port in approximately 3-4 hours. It offers versatile dual-mode connectivity, allowing seamless switching between devices via Bluetooth 5.1 and a 2.4G