Multi-mode wireless connection Interference-free wireless options: intelligent switching between Bluetooth 3.0, 4.0 and 2.4 GHz ensures stable wireless transmission with a range of up to ten metres and 360-degree coverage. This allows you to continue using your keyboard even in the event of a USB port bottleneck or loss of the receiver. Ultra-slim 4.5-mm design with aluminium alloy base Slim and durable: the ultra-slim 4.5-mm design makes this keyboard really eye-catching, while the anodised aluminium housing offers stability and durability. Specifications https://elecena.pl/product/25575820/18748-wireless-keyboard-bluetooth-wireless-black-german-layout 2024-03-14 https://elecena.pl/product/25575820/18748-wireless-keyboard-bluetooth-wireless-black-german-layout 2024-07-08