15.6in Double Screen Laptop for Win 11 Up to 3.4GHz 180 Degree Opening HD Laptop with 7in Screen Backlight Keyboard Item Type: Double Screen Laptop Material: ABS, Metal Model: HL156D Double Screen: 15.6 Inch and 7 Inch Double Screen Business Laptop Display Screen: Primary Screen: 15.6 Inch 2K Four Sided Narrow Screen, Screen to Body Ratio Of 93% 192 Secondary Screen: 7 Inch Screen, TP Touch Screen Function, 800x1280 Resolution High Density Polymer Li Battery: 7.6V/4500mAH (Built In) CPU: For Celeron Quad Core Quad Thread 1.7GHzGHz, up to 3.4GHz RAM: 16G Bluetooth: Built in BT4.2 Microphone: 42db, 2.2KΩ Speaker: Built in 8Ω/1w Speaker Memory Card Holder: Storage Card Type C Interface: Support Standard USB Interface: USB3.0x2 Headphone Interface: 3.5mm Diameter Standard Headphone Jack HD Multimedia Interface: MINI HD Multimedia Interface Keyboard: Large Round Hat, RGB Seven Color Backlight Keyboard Cooling Solution: Copper, Tube Fan Expansion Devices: Support for Wired/Wireless Mouse Support Touch Stylus (Not Included) Operating System: For Win 11 (Support for National Languages)