FOR MAC USERS1. Ensure the mouse is in pairing mode(press the "connect" button on the mouse for 3 seconds, and the BLUE light will flash) before your Mac searches for Bluetooth devices. 2. After clicking Connect on your Mac, if asked for a Pin code, do not enter any numbers, just click "OK"(if "0000" not works).<br>BLUETOOTH TECHNOLOGYBluetooth wireless mouse for MacBook pro compatible with most system including PC, Notebook, Pad, laptop, Mac OS; Support Win7 Win8 Win10 Linux OS X or Android tablet.<br>SUPER COMFORT & SILENT CLICKNaturally curved grip of this computer mouse keeps your hand comfortable, slim design, responsive buttons provides very soft click with less noise, don't worry about disturbing others.<br>AUTO ENERGY-SAVING SLEEPING MODEThe auto switch off function will help you save energy as your wireless mouse will switch off when your PC is turned off or the receiver is disconnected. The rechargable slim silent click mice will be in sleep mode in 8 minutes of inactivity. Press any button to wake it up.<br><br>