Specifications： Keyboard Specifications Keyboard size: 283*112*(22-10)mn Number of keys: 78 keys + 10 keys Key Type, Chocolate Key Cap Key life: approximately 5 million cycles specifications: 2.4GHz Non-continuous reception range: 10 m System support: Windows 7, B, 10.XP, Vista, etc. or higher. Keyboard weight: 220g press Power supply mode: 2 AAA batteries Connection type: USB wireless receiver Mouse Specifications Standard size, 120*60*25mm Number of keys: 4D Key life: approximately 3 million cycles specifications: 2.4GHz Wireless reception range: 10 meters System support: Windows 7, 8, 10.XP, Vista, etc. or higher. Mouse weight: 60g Resolution：800/1000PI Power supply mode: 2 AAA batteries Connection type: USB wireless receiver Package includes 1x Wireless Bluetooth Keyboard (Battery not included) ​1x Mouse 1x User Manual 2.4 GHz wireless technology provides a reliable connection with a range of up to 10 meters, eliminating wires for a cleaner desktop Responsive scissor-key-switches ensure a comfortable typing experience, while the angled tilt offers additional support Compact and slim full-size design saves space on your desk and is ideal for travel, allowing for faster typing with numeric keys Low-power battery indicators and multimedia hotkeys enhance convenience during use Quiet operation with silent clicking mouse and low-profile keyboard keys minimizes noise, ensuring a disturbance-free environment