Specifications:1.Hottest 2.4G wireless optical mouse2.Fashion style 2.4G wireless technology3. Nice looking and easy to operate4.4 keys:3D+changing speed key5.Interface: mini USB receiver6.The supper mini USB receiver can hide on the body7.Mini receiver do not need code, plug and play8.32 channels each group for auto synchronization, two groups9.Suitable for both right/left handed person10.Sleep mode for saving power11.Power saving, approximately 3 mouths battery (battery life varid depends on the usage of the mouse)12.With power on/off switch, save power and prolong battery life13.Working on any surface except glass and mirror14.For office and home use  Wireless frequency2.405GHz-2.476GHzResolution800/1600 DPIEffective distance10m with no signal interferenceWireless technologyopticalNumber of butter4 keys wireless mouseDimensin(mouse) 105×65×23mm(receiver) 18×14×7mmGift box10*5.7*20cmColorAny color availableRating working voltage1.5VRating working current7-12mAPower2×AAA alkaline batteryMeterialABS meterialApplicationDesktop/laptopChannel64 channels for two group,32 channels each groupMaximum speed15 inches/SECWarranty1 yearCompatitableWindows ME/2000/XP/Vista