RAPOO X9010M Multi-mode Wireless Ultra-slim Desktop Combo Set White Multi-mode wireless connection: Wireless keyboard, wireless mouse, 2.4 GHz, Bluetooth 4.0, Bluetooth 5.0 Nano USB receiver Ultra-slim 3.9 mm design Aluminum alloy housing 78 scissor keys Adjustable 2400 DPI optical mouse Ambidextrous mouse design 5 buttons incl. a 2D scroll wheel & Bluetooth button Bluetooth/2.4GHz switch button (keyboard) On/Off button (mouse) Up to 12 months battery life