Original Logitech K 380 Keyboard

Connection Type: Bluetooth Classic (3.0) Wireless range: 10 m Customization app: Supported by Logi Options+ on Windows and macOS Battery: 2 x AAA Battery: 24 months Indicator Lights (LED): Battery LED, 3 Bluetooth channel LEDs Special Keys: Hotkeys (Home, Back, App-switch, Contextual Menu), Easy-SwitchTM Connect / Power: On/Off Switch