Professional desktop set designed for continuous use, featuring high-quality, pre-charged NiMH batteries and undisturbed 2.4 GHz RF wireless technology. It boasts over 20 million keystrokes. Rechargeable via USB-cable, even during use. The 5-button mouse offers customizable buttons with CHERRY KEYS software and a precise sensor with 3-stage resolution (600/900/1200 dpi). CHERRY SX scissor technology ensures a precise and optimum typing feel on flat keys, perfect for frequent typists. Easy Plug & Play connection via a 2.4 GHz RF USB dongle provides wireless operation within a 10-meter range with secure AES-128 encryption.