Experience seamless connectivity with the CHERRY KW 9100 SLIM keyboard, offering a choice between Bluetooth or 2.4 GHz RF wireless connection with extra-small USB receiver, both featuring AES-128 encryption. The rechargeable battery provides weeks of usage and can be charged during operation, ensuring uninterrupted work. Utilize the power-saving switch to extend battery life. The CHERRY SX scissor technology delivers a pleasant, precise typing experience with flat, quiet keys and a durability of over 10 million keystrokes without quality loss. Enhance your productivity with 6 additional keys for Windows lock, browser, volume control, mute, and calculator. Status LEDs for CAPS LOCK, NUM, and SCROLL keys provide at-a-glance information. The keyboard's stability is ensured by a built-in metal plate, and the tilt angle is easily adjustable with the included removable magnetic strip. This keyboard is CE, FCC, UKCA, and China RoHS certified and operates in the 2.4 - 2.4835 GHz frequency band. It features 108 keys, a numeric keypad, and a QWERTY layout. Connectivity is wireless, recommended for universal usage with a wireless range of 10 meters. The keyboard is powered by a built-in 650 mAh lithium battery with a USB-C connection. It includes a nano receiver and has a weight of 675g.