1、2.4GHz Technology: The USB keyboard mouse has 2.4GHz technology to ensure a firm connection, plug and play, one receiver for daily use of wireless keyboard and mouse 2、75 Keys: Full size keyboard with 12 multimedia key combinations, Fn and F1 to F12, with 75 key layout, clear keycap font, non slip bottom 3、Ergonomic Design: The round keys of the keyboard match the shape of your fingertips for better typing habits. With human comfort angle, suitable for long term work 4、Low Noise: The keyboard and mouse have energy saving features. After 15 minutes of no use, which will automatically enter sleep mode, and press any key to wake up. Keys with low noise design 5、Wide Compatible: The keyboard mouse set is compatible with computer, desktop, PC, laptop, support for iOS , for ANDROID, for OS X, for WIN Item Type: USB Keyboard Mouse Material: ABS Keyboard Specifications: Number of Keys: 75 Keys Battery: 2 x AAA (without) Interface: 2.4G Transmission Method: Wireless Mouse Specifications: DPI: 1600 Number of Keys: 3 Keys Battery: 1 x AA (without) Interface: 2.4G Transmission Method: Wireless 1 x Keyboard 1 x Mouse 1 x Receiver