Key No: 85 
Work tape:2.4G wireless 
Work distance:8-10 meters 
Feature:Plastic and 100/% silicone material, save electricity,waterproof,dust prevention and portable. 
functional characteristics:Key Fn switchs over multimedia    
Applicable system：PC system:indows/XP/vista/MAC 
multi-language edition:Support 
Support protocol:2.4G Frequency Hopping technique   
Human Engineering:support 
Power supply type:Built in polymer rechargeable battery    
Surface fabrication processing:Environmental protection hand oil,high strength and elastic silicone  
Color match：black/white/pink 
Power switch:yes 
USB charging function:yes 
Certificates:FCC,CE,ROHS