Noppoo Choc Mini-2M 84 keys wireless/wired keyboard USB NKRO Mechanical Gaming Keyboard Cherry MX blue Switches (Blue Switches+Black body+Wired/wireless Dual-mode) Humane dual-mode design,2.4G wireless mode and key lines separate wired mode Keyboard comes with pressurized light-emitting circuit, suitable for installing 1.8-2.4v colorful led lights Wired mode can realize full keyboard backlit, and can adjust the brightness by the combination key "FN+up/down" Energy optimized wireless mode, two 7 battery standby approximately 2000 hours, and about 100 hours of work status Key line separating wired mode, allowing Mini more portable,and it can be compatible with mac system in wired mode