Virtual reality kit, iOS favourites, Windows 10 preview and more: Photos of the Month

CES is the biggest trade expo of the year and always showcases plenty of cutting-edge technology.

This year was no different. Here you see in action the Oculus Rift, one of the most popular and breakthrough virtual reality kits.

Go to the full photo story for all the best tech we saw at CES 2015 -- including virtual reality, wearable tech, PCs-on-a-stick, and next-generation chips.

Which is the right activity tracking ecosystem for you?

Here we try out Fitbit Charge to see how it measures up in managing his workouts.

Find out how it measures up in the full photo story.

The year's first Technical Preview release of Windows 10 introduces some crucial new features, including the personal assistant, Cortana, as well as a new hub for notifications and some updated apps.

Get a preview of all the upcoming features in our full photo story.

The Dell Venue 8 7000 is a premium Android tablet - thinner than the iPad Air 2 and lighter than the iPad mini.

Find out all about its pros and cons - and whether it's the right table for you - in our full review and photo story.

Sony continues to launch high end Android devices and companion accessories.

In this photo story we get hands-on with the Xperia Z3 Tablet Compact, pictured above next to the Apple iPad mini 2. How does it fare? Read on...

Does Microsoft offer the best Android office suite?

We take a close look at it and several alternatives. Find out who's got the best apps in our Android office app showdown.

Hyundai's latest invention is installing your car keys… on your wrist -- and for no other reason than because it can.

Read about this and more of the remarkably strange, weird, and in some cases entirely pointless gadgets, gizmos, and technologies on view at this year's CES 2015 trade expo.

The connected home was a hot topic at this year's CES trade expo, and as a result, smart security is beginning to emerge. One such product is the Schlage Sense system. The product replaces traditional lock-and-key systems with a smart lock, linked to an iPhone, iPad, or iPod touch, and protected with end-to-end encryption. The lock can also be controlled using Apple's voice assistant, Siri.

Read more about this and other products for Apple iOS fans in our photo story.

If you're a fan of Google's Android OS, Razer's entry into gaming is likely to interest you. Debuted at the CES 2015 trade expo, the Razer Forge TV is a microconsole measuring 4x4 inches, powered by the Android operating system.

Find out more about Forge TV and other products for Google Android fans in our photo story.

iPocket Drive is a USB hard drive with integrated Apple Lightning connector that doubles the storage on iPhones. The USB hard drive works with iPhone, iPad and iTouch.

You can find out more about it and other crowdfunded, small business tech products which should be showcased at big expos like CES next year. Read on for our full photo story.

Smart, connected cars were a major trend of this year's Consumer Electronics Show.

Here Nvidia shows off its vision of a high-tech car powered by its Tegra X1 mobile chip.

Read all about the connected car tech to watch in our photo story.

This month sees the release of a bevy of slimline laptops based around Intel's new Broadwell processor.

The smaller, more compact chip allows for thinner and lighter laptops, as well as providing a slight boost to general performance and battery life.

Read on in our full photo story for a selection of machines based around the dual-core Broadwell chips that Intel revealed this month.

CES is best known as a consumer electronics showcase, but there's an increasing focus on products that can have an impact on the enterprise too.

Take a look at CES product launches that could have business impact in our photo story.

Above you see Lenovo's new ThinkPad Stack, a set of four modules that sit on top of each other and share a power stack.