The premium CHERRY KW 9100 SLIM design keyboard's perfectly coordinated design and innovative features fit in any workplace! The rechargeable, flat design can be connected via Bluetooth or 2.4 GHz USB receiver, both of which deliver high security thanks to AES-128 encryption. Other highlights: - Up to 10m range - Long-life battery for weeks of working on just one charge - High stability thanks to the built-in metal plate - Removable magnetic strip for tilt adjustment - Tried-and-test CHERRY SX scissor technology System requirements: Bluetooth (R) connectivity: Compatible devices with at least Bluetooth (R) 4.0 (Low Energy) USB connection: Available USB port (A), Windows 7, 8, 10, 11