Feature 12.4GHz 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 275 Keys: Full size keyboard with 12 multimedia key combinations, Fn and F1 to F12, with 75 key layout, clear keycap font, non slip bottom 3Ergonomic 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 4Low 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 5Wide Compatible: The keyboard mouse set is compatible with computer, desktop, PC, laptop, support for iOS , for ANDROID, for OS X, for WINSpecificationItem Type:USBKeyboardMouseMaterial: ABSKeyboard Specifications:Number of Keys: 75 KeysBattery: 2 x AAA (without)Interface: 2.4GTransmission Method: WirelessRated Voltage and Current: 3.0V / 5 mAMouse Specifications:DPI: 1600Number of Keys: 3 KeysBattery: 1 x AA (without)Interface: 2.4GTransmission Method: WirelessRated Voltage and Current: 3.0V / 50 mA .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid 000; border-left: 1px solid 000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000; border-right: 1px solid 000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Keyboard1 x Mouse1 x Receiver1 x User ManualNoteShipped Without Battery Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store