Wireless technology: 2.4G Wireless & Bluetooth Wireless distance: 15m Product Size:11.2*5.7*2.0cm Package dimensions:17*3.4*10cm Weight: 174±5g Net Weight:83±5g Key number:4 Resolution: 800/1200/1600 DPI Operating cycles: 1,000,000 cycles Battery:450mah lithium battery Material: ABS System requirement: Windows 2000/ 2003/ ME/ XP/ Vista/ Win7/ 8/ 10/ MAC OS/ Linux HOW TO USE IT? First of all, confirm whether the mouse has enough power, as insufficient power will affect the normal operation of the mouse. 2.4G Wireless Mode1. Take out the USB receiver hidden at the bottom of the mouse 2. Install the USB receiver into your device 3. After the USB receiver is installed, turn on the power switch on the bottom of the mouse. You can use the mouse after these step.Bluetooth Mode1.Switch the mode to BT5.22.Search for mouse on your device and click connect.Package Included: 1 * Wireless Bluetooth Mouse 1 * USB Receiver 1 * USB lighting cableYour Purchase Guarantee 30 days money-back and 12-months guaranty, when you are not satisfied with our product or you have any question, please contact with us to get a after-sale service, we will give you a satisfied response within 12h.