Yes, it can really replace your laptop

Yes, it can really replace your laptop
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The Surface Pro 4 builds on the best parts of the Surface Pro 3, and it finally delivers a solid typing experience with the revamped Type Cover (which is unfortunately sold separately). It's the ideal hybrid tablet in practically every way -- it's as light as a tablet, but as productive as any laptop. The only problem is you're stuck with so-so battery with like Hp Pavilion dv6500 battery, Hp Pavilion dv6600 battery, Hp Pavilion dv6900 battery, Hp Pavilion dv6100 battery, Hp Pavilion dv6300 battery, Hp Pavilion dv2600 battery, Hp 7F0994 battery, Hp HSTNN-IBON battery, Hp HSTNN-OB60 battery, Hp KU533AA battery, Hp HSTNN-Q45C battery, Hp PT06 batterylife.
The biggest knock against the Surface Pro 4 is that it looks just like the Surface Pro 3. But honestly, that's not a huge complaint since the Pro 3 still feels like a marvel of engineering today. Their frames are similarly thick (9.1mm on the Pro 3 versus 8.45mm on the Pro 4) and weigh at or near 800 grams (the entry-level Core M3 Surface Pro 4 weighs 766 grams or 1.69 pounds), making them a tad heavier and thicker than most large tablets. They also share the same magnesium case and adjustable kickstand, which can fold out almost completely flat to 150 degrees. The dimensions might not sound very exciting when compared to the ultra-thin tablets we're seeing these days, but they're particularly impressive when you consider that Microsoft is able to fit in modern Intel desktop chips, and not just slower mobile processors.
Look a bit closer at the front of the Surface Pro 4, however, and you'll quickly notice some differences versus its predecessor. The screen is ever so slightly larger at 12.3 inches, for one. Microsoft chipped away at the bezel around the screen to make that possible, and it also removed the capacitive Windows button on the bezel (which is less necessary with Windows 10). The volume rocker has also been moved from the left side of the case to the top, right beside the power button. (It's also a bit more confusing this time, since tapping left on the rocker increases the volume, while tapping right decreases it.)
Unfortunately, Microsoft didn't add much in the way of ports. There's still just one USB 3.0 socket and a Mini DisplayPort, which might pose a problem for road warriors with lots of peripherals. (If you're in that boat, though, you're probably also traveling with a USB hub.) Once again, there's a microSD card slot under the kickstand, which lets you add up to 128GB of additional storage. Microsoft is also sticking with its proprietary power connector, which is a shame -- it still feels a bit awkward and insecure when it's connected. I'd love to see Microsoft make the move to USB Type-C next year (which would also be an easy way to include more USB connections). On the plus side, there's still an extra USB charging port on the Surface Pro 4's power adapter. You can never really have enough of those.
The Surface Pro 4 has a new 5-megapixel front-facing shooter that's also compatible with Windows Hello, the company's biometric authentication technology. Sadly, I wasn't able to test it out in time for this review (Microsoft says it'll be enabled with a software update), but from demonstrations I've seen, it typically logs you in within a few seconds. Windows Hello has the potential to completely change the way we interact with our computers, so I'll definitely follow up once it's working. On the rear, there's an 8-megapixel camera with 1080p video support.
As a tablet, the Surface feels heftier than most, but it's still easy enough to hold in one hand while browsing the web or hopping through Windows apps. The magnesium case gives it a premium feel and the kickstand is as sturdy as ever. It requires a bit of work to open up, but at least you don't have to worry about it losing its position easily.