Anti-Sweat & Ergonomic Design: E-YOOSO Large Mouse is made of anti-slip and anti-sweat custom material, built with a comfortable contoured shape that naturally fits big hands.The finger rests on both sides of the mouse provide additional support, every finger can hold comfortably for a long time.X-31 large mouse adopts a large size design, and also has forward and backward buttons, make your web surfing more efficient, perfect performance for more than 50,000,000 keystrokes!

5-Level 4800 DPI & 2 Kinds Polling Rate : 5-level DPI settings (800/1200(default)/1600/2000/4800), choose your comfortable speed for working or gaming.     X-31 will move more precise by 125Hz(default) or 250Hz polling rate: Press the right button + the middle buttom for 3 seconds to switch polling rate.

USB Plug And Play & Stable Cursor: USB Nano Receiver can be stored within the back of the mouse, plug and play.2.4GHz Wireless technology provides reliable connection, transmission distance up to 33ft (10m), which eliminated delays, interference, and provided a fast data transmission.

Use power-saving chip PAW3212, low power consumption, stable cursor，X-31 Large wireless mouse.The X-31 mouse with smart auto sleep mode.If the mouse is not used for 8 minutes, it will automatically enter the dormant state to save power, and click the mouse again to run.

Universal Compatibility & Wide Use: Large wireless optical MacBook mouse is compatible with Windows 11, 10, 8.1, 8, 7, XP, Vista, Linux, Chromebook, Mac OS(Side buttons are not available on Mac),  and Any Device with USB Ports.As well as compatible for PC, Laptop, MacBook and more.