The Marvo Ws005 Bk Wireless Combo Includes A Wireless Keyboard And Mouse. Here Are Some Of The Specs: Keyboard: - Connection: 2.4Ghz Wireless - Key Number: 104 Keys - Key Route: 2.0Mm - Key Force: 50±5G - Rated Voltage/Current: Dc 1.5V/≤5Ma - Size: 438 X 130 X 27Mm - Weight: 360G - Material: Abs - Battery: 1 X Aa Battery (Not Included) - Compatible With Windows And Macos Mouse: - Connection: 2.4Ghz Wireless - Resolution: 800/1200/1600 Dpi - Button Number: 6 - Rated Voltage/Current: Dc 1.5V/≤15Ma - Size: 125 X 75 X 40Mm - Weight: 110G - Material: Abs - Battery: 1 X Aa Battery (Not Included) - Compatible With Windows And Macos