7 things we just found out about the Apple Watch

Thought you knew everything there was to know about the Apple Watch? Think again.

Apple fans worldwide began posting their unboxing videos and first-impressions on Friday. While reviewshave been out for weeks, we did learn a couple of new things about Apple's first wearable.

1. You can use the charger with other gadgets.

The Apple Watch uses a MagSafe charger that magnetically attaches to the underside of the device. Apple Insiderreader Albert C. Lee was able to get a MagSafe charger early and discovered it could be used to charge his Moto 360 Android Wear smartwatch.

In theory, if the Apple Watch's MagSafe charger is compatible with Qi-based wireless chargers, you could use your own charger, or even buy a cheaper one (Apple's MagSafe charger sells for $29).Mashable tested the MagSafe charger on a Moto 360 and it worked, but we weren't able to get the Apple Watch to charge on two different Qi wireless chargers, so cheap alternate chargers for your Apple Watch probably aren't a thing.

2. It's more waterproof than you think.

The Apple Watch is water-resistant, not waterproof. FoneFox decided to test that claim by using the Apple Watch in the shower and lathering it up with shampoo and soap, submerging it in a bucket for five minutes, and swimming with it for 15 minutes. (Of course: We don't recommend you try any of this yourself.)

The Watch survived all of the tests. Here's one interesting tidbit: Although the touchscreen doesn't work underwater, the digital crown does.

3. It has a secret blood oxygen monitor.

Teardown of the Apple Watch reveals a secret feature built into the heart rate monitor.

IMAGE: IFXIT

The folks at iFixit flew to Australia to be among the first to get an Apple Watch and as with all new gadgets, they immediately got to cracking the thing open.

According to their teardown on a 38mm Apple Watch Sport, the heart-rate monitor is actually more powerful: It can measure blood oxygen levels. The strange thing is, Apple doesn't advertise this feature nor has it activated it in the Watch. Maybe it'll be activated in a future software update?

4. Worn off band? No returns for you!

Apple will reportedly not be accepting any returns or replacements for Apple Watch bands that show signs of discoloration, deformation or scratches and marks, according to an internal support document obtained by 9to5Mac.

Everyday wear and tear is to be expected. The document shows images of a leather band grossly discolored from sweat and lotions, as well as deformed leather bands and scratched stainless steel link bracelets.

5. The Apple Watch Sport has a plastic MagSafe charger, not a metallic one.

IMAGE: 9TO5MAC

As if getting the Watch Sport wasn't enough of an announcement to the world that you got the cheapest model, the MagSafe charger that comes with it is also cheaper. First spotted by 9to5Mac, the Sport's MagSafe charger is made from plastic, not metal like the ones that come with the Watch and Watch Edition.

6. The Apple Watch charges fast.

The Apple Watch has a tiny, tiny battery. The 38mm Apple Watch has a 205 milliampere-hour (mAh) battery. The Verge's Tom Warren says his 42mm Apple Watch can go from 50% to 100% in one hour. Maybe you won't need those battery bands after all. Just keep your MagSafe charger and a battery pack handy on those long days.

7. The packaging differs depending on what model you get.

Everybody knows that Apple takes extreme pride in designing delightful packaging for its products. People love watching "unboxing" videos, where other people film themselves opening up new products and showing off the box's contents.

Naturally, since there are three different tiers of Apple Watch — Sport, "regular" and Edition — there are three different types of packaging. The Watch Sport model (above) comes with a rectangular-shaped box with the wearable laid flat.

The regular Watch (above) comes in a plastic square-shaped box. Of course, the holy grail Watch Edition (below) comes in the nicest packaging of them all: A premium box with leather lining that doubles as a charging dock.

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From Gym to Board Room: All 34 Apple Watch Designs in One Place

IMAGE: APPLE

When the Apple Watch launches early next year, you'll have 34 combinations of models and wristbands to select from. So if you're already dreaming of picking one up, at least you'll have several months to choose the one for you.

Apple, too, is banking on the fact that everyone's tastes are different and is clearly hoping there's something for everyone with the watch. Or watches.

In fact, there are three case models to choose from, before narrowing in on a wristband: Apple Watch, traditional style; Watch Sport, for fitness enthusiasts; and Watch Edition, an upscale model. There are two sizes for most (38 mm and 42 mm). Prices start at $349, but Apple hasn't specified what each model will cost.

Then there are the wristbands. To name a few, there's the classic buckle, the stainless steel options and the rugged ones for athletes. Apple showed that at least some of the wristbands are interchangeable, but it's not clear whether all of them will be.

And the personalization doesn't stop there; Apple is offering 11 interface designs for the watch faces on the screen, most of which are customizable to a wide degree. The company says you'll have more than 2 million appearance options overall.

IMAGE: APPLE

While the interfaces haven't been fully detailed, we know there's a traditional analog option and funkier ones too, like a real-time 3D model of the earth, sun, moon and planets. The wristband options are already posted to Apple's website, and there are 18 choices for the Apple Watch, 10 for the Watch Sport and six for the Watch Edition.

Here's what's coming to Apple's first smartwatch:

Apple Watch

IMAGE: APPLE

The Apple Watch, the company's flagship collection, is made from stainless steel and is designed to be worn during all your daily activities, from morning workouts to nights out. The model comes with a scratch-resistant sapphire crystal-coated Retina display. You can pick between three different leather bands, a link bracelet, a Milanese loop and a band made from high-performance fluoroelastomer. In total, there are 18 options available, when you factor in size and case color. (It appears that the space-black case only comes with the space-black stainless steel link bracelet.)

Link Bracelet

The Apple Watch Link Bracelet design (left) and the Milanese Loop option (right).

The Link Bracelet (available in stainless steel and space-black stainless steel) is made of the 316L stainless steel alloy, with more than 100 components to make up the wristband. Apple said it takes nearly nine hours to cut the links for a single band, mostly because they're not uniform in size. Some of the links include a release button.

Milanese Loop (above right)

This mesh design, based on a technique used in Milan in the 19th century, is flexible and wraps "fluidly" around your wrist. While Apple said it gives the look of a magnetic stainless steel, the company created its own alloy.

Modern Buckle

The Modern Buckle band design in three colors, and the Classic Buckle in black.

The Granada leather band (available in soft pink, brown and midnight blue) is developed by a small French tannery established in 1803. In what looks like a buckle, it features a two-piece magnetic closure to lock the band in tight. There's also a layer of material for strength and resistance, made of the same material NASA used to create the parachute strings for the Mars Rover. The modern buckle appears to be available only with 38mm cases.

Classic Buckle (above right)

This option comes from the Netherlands and features a closure made from the same material as the stainless steel watch case. This traditional band comes only in black.

Leather Loop

The Apple Watch Leather Loop collection.

IMAGE: APPLE

The Leather Loop band for the Apple Watch collection is handcrafted in Naples, Italy. Magnets are used inside the wristband to give users a trim fit. Colors are available in stone, light brown and bright blue. This option appears to be paired only with 42mm cases.

Sport Band (seen below)

The Sport Band — available in black and white on the Apple Watch — is made of rubber, but Apple says it's more flexible than other fluoroelastomer options. It uses a pin-and-tuck closure to lock the device in place.

Watch Sport

The Apple Watch Sport comes in five different colors and two sizes (38 mm and 42 mm).

IMAGE: MASHABLE COMPOSITE

If you're in the market for something rugged you can take on a long run, the Apple Watch Sport is probably what you're looking for.

This collection has fewer options (10) compared to the Apple Watch's 18 different flavors, but comes in both sizes (38 mm and 42 mm) and a variety of bright, playful colors: white, black, blue, green and pink. The bands are made of fluoroelastomer.

Meanwhile, the case is created from lightweight anodized aluminum in both silver and space gray, and the display is protected by strengthened Ion-X glass.

Watch Edition

The Apple Watch Edition lineup.

IMAGE: MASHABLE COMPOSITE

The Edition collection is an upscale version of what's available for the Apple Watch. Each of the six versions comes with 18-karat gold that Apple says was developed to be up to twice as hard as standard gold. The display is protected by polished sapphire crystal. This is probably the device you'd want to wear to a nice dinner.

Colors include a yellow gold case with bright red modern buckle (38 mm), rose gold case with white sport band (38 mm and 42 mm), rose gold case with rose gray modern buckle (38 mm), yellow gold case with black sport band (42 mm) and yellow gold case with midnight blue classic buckle (42 mm).

Apple Watch First Look

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Apple Watch

IMAGE: APPLE

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BONUS: Apple Watch Commercial Reveals Time Travel Feature

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