1Using 2.4GHz wireless transmission, the operating distance can up to 10 meters, which can well meet your needs 2There are two modes of optical mouse and remote control mouse, you can choose the mode according to your preference, which can meet your needs 3Press the storage button to open the battery compartment, which is simple and convenient to operate 4The receiver is stored in the battery compartment, and you don't have to worry about losing it if you don't have a place to store 5Has a wide range of compatibility, suitable for Win 2000/XP/Vista/7/Android/OS X and other systems Item Type:WirelessMouse Material: ABS DPI600/800/1200/1600 DPI Working Distance: Approx. 10m/11yd Connection Type: Wireless Interface: USB Button Life: 500,000 Times Working Frequency: 2.402GHz-2.483GHz Battery Specification: 2 x AAA Batteries (not included) System Requirements: Suitable forWin2000/XP/Vista/7/Android/OSXandOtherSystems Button Pressure: 100g-120g 1 x WirelessMouse 1 x Receiver Delivered Without Batteries