This stylish desktop set with spill-resistant design, comprising a keyboard and a mouse, transmits using Rapoo\'s multi-mode wireless connection - via a reliable 2. 4 GHz wireless transmission, Bluetooth 3. 0 or Bluetooth 4. 0 (Smart) - enabling you to connect simultaneously to multiple devices and switch (pair automatically) among them. The classic look, available in black or white, enhances the look of any desktop. The keyboard features multimedia keys for quick access and convenience. The mouse in this set boasts an adjustable 1600 DPI HD sensor for a smooth and accurate pointer control. To top it off, 8200M offers a continuous use of up to 12 months (keyboard) and up to 9 months (mouse), plus a power button. Key Features Multi-mode wireless connection Instant switch among multiple devices Spill-resistant design Adjustable 1600 DPI HD sensor Up to 9 months (mouse) & 12 months (keyboard) battery life Multi-mode wireless connection Interference-free wireless options: The smart switch between Bluetooth 3. 0, 4. 0 and 2. 4 GHz ensures stable wireless transmission with up to 10 meters range and 360? coverage. You can still use your keyboard regardless of USB port shortage or the loss of receiver. Switch between Bluetooth 3. 0, 4. 0 and 2. 4 GHz The smart switch between Bluetooth 3. 0, 4. 0 and 2. 4 GHz ensures stable wireless transmission. You can still use the combo regardless of USB port shortage or the loss of receiver. Fully adjustable DPI sensor You can adjust 4 DPI values from 600/1000/1300/1600, which is up to 1600DPI. It can meet the accuracy of different screens. Spill-resistant design Spill-resistant keyboard design, so you do not have to worry about the keyboard malfunctioning after accidental spills. Multimedia hotkeys Multimedia hotkeys give you quick access to functions like media player, homepage, volume adjustment and more.