SILENT CLICK: Special soundless design for the right and left buttons,Quieter and Easier to click, make you concentrate on your work without disturbing others beside you FAST & STABLE TRANSMISSION: Adopted 2.4GHz wireless technology to ensure fast and stable transmission, and longer working distance, reaching up to 33ft/10M. EXTREMELY LOW POWER CONSUMPTION：This computer mouse will be in sleep mode in 5 minutes of inactivity. Press any button to wake it up. Note: powered by 1*AA battery (not included). Backed by 45-day money back and 18-month worry-free warranty by JUHOO. WIDE COMPATIBILITY: this wireless mouse is perfectly fit for Notebook, PC, Laptop, Computer, Macbook and other device. Compatible with most system including Windows, Mac and Linux (Win10, Win8, Win7, Vista, XP, Mac OS X)