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!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.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.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.Note:

The most important thing to use a mouse is to stay away from soot and liquid; Pay attention to maintenance after use, clean up regularly.

1. The mouse is not waterproof. Avoid placing drinks and cups next to the mouse, so as not to mistakenly touch the tragedy of liquid into the mouse, if the drink enters the mouse shaft body, after drying, the sugar in it will hinder the shaft body, resulting in the normal rebound when the button is pressed. If you enter a sugar-free mineral water or cold Baike, you should immediately cut off the mouse power, unplug the key cap to let the water dry, the mouse can be air-dried in the cold air mode of the hair dryer, and you can use it normally after a few days.

2, avoid eating in front of the mouse, the residue remains around the mouse, and then enters the key cap and the panel between, after a long time, more and more residue will cause damage to the mouse, will affect the feel of the mouse, and even the phenomenon of card keys.

3, regular cleaning of the mouse, not only to ensure health, but also to extend the service life of the mouse.FAQ:

Do you need a drive?

Most mice plug and play without drivers.

Is it wireless?

Yes, Support 2.4G wireless Bluetooth

Is it a built-in battery?

No, external Battery (1*AA Battery)

Can it be programmed?

No.