Multi-mode wireless connection Interference-free wireless options: intelligent switching between Bluetooth 4.0, 5.0 and 2.4 GHz ensures stable wireless transmission with a range of up to 10 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 3.9-mm design with aluminium alloy base Slim and durable: the prize-winning ultra-slim 3.9-mm design makes this keyboard a real eye-catcher, while the anodised aluminium housing offers stability and durability. Specifications