SPECIFICATIONSAbout Windows: we will open the box ,help change to Global Version, default English.(all customers the same)Base Frequency (GHz)4: othersBrand Name: XIAOMICPU Brand/Model: Intel Core i7 10510UCertification: CEDimensions (WxHxD): 355.2mm*248.5mm*15.9mmDisplay Ratio: 16:10Display Resolution: 1920x1200Display Size: 16Inches 400mmExpandable storage: YesGraphic Type: IntegratedGraphics Brand: IntelGraphics Card Model: Intel Core Graphics CardHard Drive Capacity: 1TBHard Drive Interface: M.2Hard Drive Type: SSD,SSDHigh-concerned chemical: NoneKeyboard language: EnglishKeyboards: Touchpad,Backlit KeyboardMax Turbo Frequency: otherMemory Type: DDR5Network Communiction: Bluetooth-Compatible,WiFiNumber of Cores: 12Operating System: Windows 11Origin: Mainland ChinaPackage: YesPort: 3.5 MM Audio JackRAM: 16 GBRecommended use: Learing,Business Use,Daily EntertainmentScreen Refresh Rate: 60 HzThermal Design Power: otherThickness: 15mm- 18mmType: LaptopVideo Memory Capacity: Main memory allocated memoryWeight (Battery Included): 1.8 KG - 2.0 KGWireless Interfaces: Wi-Fi 6 (802.11ax)Xiaomi Model: REDMI Book 16 2025 About Custom Duty: Some EU Countries,Russia, Belarus, Kazakhstan, Vietnam, Israel, Canada, Thailand, Philippines, Saudi Arabia,United Arab Emirates, Indonesia,Australia. the above countries have opened tax-inclusive channels, and the package does not need to pay customs duties when it arrives in your country. If you are interested, you can contact us at any time! pls buy from us with confidence!---Aliexpress Mi and Lenovo Laptop Store [Shopping Tips]: 1. Global Version, default English.The original keyboard and touchpad language is originally Windows 10/11 Home Edition, Chinese language. Before shipment, we will modify the operating language for you to the English version ( What we have installed for you is the genuine global version of windows10/11 system,need open the box ,pls note that we do not pre-install and also do not give away OFFICE, please understand. ). *This is a high-value product.after you receive the items to activate the system, we do not support returns if it is not a quality problem of goods itself. Please understandIf there are special language changes, you can contact our Customer service in advance,we happy to help you2.The original is English keyboard layout. We can give you keyboard stickers from different countries, but the keyboard layout cannot be modified,pls understand.3. The items has multiple parameter configurations. Please read the corresponding configuration parameters carefully before placing an order. Due to the wrong configuration selection due to personal reasons, we will not accept any form of return or refundI wish you a happy shopping, if you have any questions, you can consult our customer service, we are very happy to serve you!4.About Warranty:offer half year warrantyonly quality problem from the factory).if there any quality issues during use,pls do not worry ,message us first we will give you the solution. will still help you apply for the Xiaomi after-sale service. *Note Thank you for purchasing our laptop!This laptop is a high-value and expensive item. Please check before you sign for the package.If after signing you find that the product is damaged due to logistics transportation or the item is replaced by another product, or the collision accident during transportation may cause irreparable damage to the screen, even if the outer box is in good condition, please Carry out inspection services for laptop computers.Please check carefully before logging in to make sure it is the laptop you purchased to ensure your interests.Once checked, it is found that the product does not match your purchase instructions or the logistics cause damage. Please refuse to sign and return to contact us. (***Please sign for the package with the local courier together, after you sign for the package, the logistics company and we default the package without any problem!!! default package has no logistics transportation/appearance/quality issues !!!!)