WIDE COMPATIBILITY: Compatible with iOS/Windows/Android/Linux/Chromebook Mac/Macbook/Macbook Pro/Macbook Air/iPad/iPad Pro/iPad Air/Galaxy,Notebook, PC, Laptop, Computer, Tablet. .RechargeableThe mouse is battery included and rechargeable to save trouble to change batteries repeatedly.Please make full charge of the mouse before the first use for at least 30 minutes to 2 hours. .Silent-ClickStay concentrated on words from disturbing your babies or loves when clicking.Smooth and sensible,silent to use.Portable and Easy to use. .Wireless Bluetooth dual mode connection:Insert the USB nano receiver to device to use the wireless function,click the ON button to the wireless mode to useBluetooth Mode,please click ON to the bluetooth mode,find the BT 5.2 mouse to connect.What if the bluetooth not found after the device clicked to ON?Please press the left/right button and the trackball at the same time as picture presented for about 5 seconds till the blue light on,and the bluetooth screen appears,click it and pair it. .Warranty & GuaranteeBe assured to buy:All items from our store have a 365Day Warranty Against Manufacturer Defects.Good Quality with Smiley Price is your best choice.Let's make life simple and have fun. .