ltem description from the seller
Wireless Property:2.4ghz wireless (non-Bluetooth)
Battery Properties:Without Battery
Material:Plastic
Theme:Concise,Science And Technology
Movement Detection Technology:Optical
Mice Features:Optical-mice
Hand Orientation:Right
Power Source:Battery Powered
Operating System:Windows10
Product Charging Port:No Charging Function
Power Mode:Battery Powered
Operating Voltage:≤36V