â—†PLEASE NOTICE FREE WARRANTY offered if you buy from HONOR(USA), not from Freezing Zone, please pay attention about it.:) Nano receiver contained in the battery cover; 2.4GHz wireless technology and professional chip (PAW3205) ensure longer working distance, reaching up to 32ft, which makes it achieve a larger using range, stronger anti-interference ability, a faster transmission speed and a more reliable connection â—†INTELLIGENT POWER SAVING Adopting top chip with intelligent power saving (IPS) faction, which is more power-saving than ordinary mice. It can enter auto sleep mode if you don't use it for 5 minutes to save battery. You only need to click it, the mouse will enter working mode again â—†COMFORTABLE HAND FEELING Contoured shape, lightweight and compact design makes this mouse perfect for use at home, office or on-the-go. The sturdy scroll wheel with rubber makes sure that your hand will not slip when scrolling, which maximum comfort and support â—†EXTREMELY LOW POWER CONSUMPTION 3 Adjustable DPI (800,1200,1600) setting can meet your needs when you use this mouse at office or home. And this mouse is perfectly compatible with Windows 2000, 2003, Win10, Win8, Win7, Vista, XP â—†WIDE COMPATIBILITY Well compatible with Windows7/8/10/XP, Vista7/8 and Linux etc. Fits for desktop, laptop, PC, Macbook and other devices. This wireless mouse enjoys 45 days money-back and 12-month worry-free warranty