Advanced Technology: 2.4GHz wireless transmission technology and250Hz high rate return chip. Guard Privacy: Add a one-click desktop button to quickly return to the desktop to protect your privacy. Magnetic Receiver Storage Slot: The wireless magnetic receiver can be absorbed by gently putting it. Rechargeable Mouse: Built-in rechargeable lithium battery, easy charging, long endurance time, no need to worry about power shortage. Adjustable DPI: The default 1200dpi, max 1600dpi. Silent Design: Optional click silence, quiet and elegant office wireless mouse without affecting others.