Reliable 2.4Ghz wireless 
Strong, consistent wireless connection from distances up to 10-meters (33-feet) away. With virtually no delays or dropouts, you�ll work and play with confidence. 
Work for up to a year between battery changes. To extend the battery life, use the On/Off switch power off when not in use. 
Your battery life experience may vary slightly based on your computing conditions and how you use the mouse. 
> Durable 
> 3 Months Local Warranty from Purchase Date 
> Spare parts at great prices 
> Good quality