Brand Name: Logitech Model No:Mk480 On/Off Power Switch, Battery Life Indicator Light Type-On-Anything Universal Keyboard Switch Easily Between Devices Windows And Mac. Android And Ios, Type In Comfort TECHNICAL SPECIFICATIONS Bluetooth range: up to 10 m (33 ft) Battery life: 2 years On/Off power switch Battery life indicator light DIMENSIONS Height: 7.68 in (195 mm) Width: 11.77 in (299 mm) Depth: 0.79 in (20 mm) FEATURES TYPE-ON-ANYTHING UNIVERSAL KEYBOARD SWITCH EASILY BETWEEN DEVICES WINDOWS AND MAC. ANDROID AND IOS TYPE IN COMFORT Brand Logitech SKU LO618EL0NEM6KNAFAMZ-201609 Model MK480