TECKNET Wireless Mouse, Ergonomic Computer Mouse, 2600 DPI, Blue | 2.4GHz Wireless, 24-Month Battery

• Compact Design, Travel Friendly - With the dimension of 4.09*2.68*1.49 in, this compact mouse provides more portability and a better travel experience. Only compatible with USB-A Port Devices.
• Ergonomic Design, Comfort Grip - The contoured shape of this mouse is ergonomically designed to fit the natural curve of your hand, ensuring lasting comfort and productivity. Featuring rubber side-grips, it offers added thumb support for a superior working experience.
• Advanced Optical Tracking - Featuring 5-level adjustable DPI (800/1200/1600/2000/2600), this mouse provides high-performance precision and smart cursor control on most surfaces. ( Glass surface is Not included )
• 24 Months Battery Life - Combined with a power-saving mode and on/off switch, this efficiently engineered mouse grants you up to 24 months of battery life.
• Plug and Play - Simply plug the USB-A mini-receiver into your Windows, Mac, Chrome OS, or Linux computer and enjoy seamless connectivity up to 49 feet.
• Notice - Please be aware that the AAA batteries are not included. The USB receiver is stored at the back of the mouse.

• Open the battery compartment on the underside of the mouse. Insert 2 AAA alkaline batteries, ensuring correct polarity (+/-). Note: Batteries are not included and must be purchased separately. — Prepare Batteries
• Locate the tiny USB-A nano receiver, typically stored in the battery compartment. Plug it securely into an available USB-A port on your computer (PC, laptop, Mac, Chrome OS, Linux). — Connect Receiver
• The mouse should be automatically detected and ready for use. Move the mouse to control the cursor and use the left/right buttons for clicking. Use the scroll wheel and side buttons for navigation. — Start Using

Typical situations where TECKNET Wireless Mouse helps — illustrative scenarios, not customer reviews.