Features : - Bluetooth 5.3 - Wireless 2.4G - Rechargeable - 84 Key Compact Size - Ergonomic Design - Scroll Knob Connectivity Switching - 10m Wireless Range Dual Connectivity : - Keyboard : Bluetooth 5.3 | Wireless 2.4G - Mouse : Bluetooth 5.3 | Wireless 2.4G Keyboard Specifications : - Number of Keys : 84 - Battery Capacity : 500 mAh - Type C DC Input : 5V / 1A - Charging Time : About 2 Hour - Battery Life : About 15 Days Mouse Specifications : - Number of Buttons : 6 - CPI 800 / 1200 / 1600 - Battery Capacity : 500 mAh - On / Off Button Switch Ready - Type C DC Input : 5V / 1A - Charging Time : About 2 Hour - Battery Life : About 15 Days Product Dimension and Weight : - Keyboard Dimension: Length 345 x Width 126 x Height 30mm - Keyboard Weight : 597 Gram - Mouse Dimension: Length 102 x Width 62mm x Height 36mm - Mouse Weight : 74 Gram Package Contents : - Tetriz Air 300C Keyboard - Tetriz Air 300C Mouse - Type C Charging Cable - User Manual