Switch intelligently between multiple devices. The combination intelligently connects to the work tool. You pair multiple devices and switch between them easily. They simplify complex cross-platform use and meet the needs of multiple tasks.* Switching between Bluetooth 3.0, 4.0 and 2.4 GHz Intelligent switching between Bluetooth 3.0, 4.0 and 2.4 GHz ensures stable wireless transmission. You can continue to use the combination regardless of missing USB ports or loss of the receiver. Ultra slim 4.5mm design with aluminum alloy base The ultra-slim case is made of anodized aluminum and is only 4.5mm thick. The scissor mechanism buttons ensure perfect and accurate keystrokes. Chiclet and scissor key structure for comfortable and accurate typing. Thanks to the square chiclet keys with rounded corners, each keystroke is accurately detected. Multimedia hotkeys multimedia hotkeys