Rapoo 6610M

Switch between Bluetooth 3.0, 4.0 and 2.4G\nThe smart switch between Bluetooth 3.0, 4.0 and 2.4G ensures stable wireless transmission. You can still use your mouse regardless of USB port shortage or the loss of receiver.\n\nIntelligently switch among multiple devices\n6610S intelligently connects to the working device. It simultaneously connects to up to 3 devices, and switches among them with ease. It simplifies complicated cross-platform use and meets multi-tasking requirements.\n\n1300 DPI tracking engine\nYou will enjoy responsive and smooth cursor control with the 1300 DPI invisible tracking engine.\n\n12-month battery life\nWith Rapoo's energy saving technology and power switch, you can use your mouse without power interruption for up to 12 months.