Plug & Play: Wireless mouse comes with a tiny USB Nano receiver (stored within the back of the mouse), plug it into your PC, and then forget it. With 5 adjustable DPI levels (2600-2000-1600-1200-800), you can freely choose your cursor speed. | 2.4GHz Computer Mouse: Ensures reliable connection with an increased working distance of up to 15m (49ft) and eliminates delays, dropouts, and interference. An ergonomic mouse with a contoured shape and soft rubber grip ensure all-day comfort. | TECKNET Tru-Wave Technology: Wireless gaming mouse provides precise, intelligent cursor control over many surface types. TECKNET Co-Link technology - no need to re-establish pairing if a signal is lost or shut down. | Hassle-free Design: Wireless mouse for laptop has a smart auto-sleep mode to save power, and up to 24 months of battery life with a battery level indicator. (battery life may vary based on user and computing conditions). | Broad Compatibility: the USB mouse is compatible with Windows11,10,8.1,8,Vista 7,XP, Mac OS (Side buttons are not available), and Linux. Works with Notebook, Chromebook, PC, Laptop, Computer, and more. (batteries are NOT included) | 36 MONTHS SUPPORT: If you encounter any problems in using the product, please feel free to contact our professional customer service team, enjoying TECKNET 36 Months Warranty (Registered Only)