Tablets, projectors and tech accessories that made news at MWC 2015

The Mobile World Congress 2015 wasn't just about smartphones and wearable gadgets. It had a lot more to offer. Here are some of the best gadgets from the show:

Sony Xperia Z4 Tablet

Sony might not be focusing big time on smartphones but has launched its new Xperia Z4 tablet. It features a 10.2inch 2k display with 2501600 pixel resolution. It runs on Qualcomm Snapdragon 810 octa-core 64-bit processor paired with 3GB of RAM. The internal storage is 32GB. This tablet is sleek with 6.1mm of waistline. It weighs 389 grams and has a 6000mAh battery. It adorns a 13MP rear camera and a 5MP frontfacing camera. Interestingly, this tablet will work with PlayStation 4 remote Play. The water-resistant tablet goes on sale in June.

Lenovo Pocket Projector

Lenovo's first portable standalone projector is a 50-lumen device that can project up to 110 inches. It has 20,000 hours of lamp life. Its lens can be rotated up to 90 degree to project on a ceiling. The projector is compatible with Android Jelly Bean (onwards), Windows 8.1 and iOS devices that are equipped with Miracast or DLNA. It has a microSD card slot, two speakers, a 3.5mm audio jack, and a battery that can run for about two-and-a-half hours. Weighing 170 grams, the projector has been priced at $199.

Xiaomi Yi Camera

After launching some impressive smartphones and Mi Pad tablet, Xiaomi has ventured into a new category with its Yi Camera. This is a compact action camera, which will compete against the popular GoPro. The Yi Camera, available only in China through flash sales, has been priced at RMB 399, which comes out to $64. On the other hand, GoPro's entry-level camera is priced around $130. Yi Camera has a 16 megapixel camera using Sony's Exmor R BSI CMPS sensor and records video at 1080p (60 frames a second). It can go up to 40 meters under water.

Sandisk 200 GB microSD card

Sandisk has announced a new 200GB microSD card at MWC 2015. While this can turn any smartphone into a portable hard drive, none of the smartphones available in the market today support such a huge expandable memory. The maximum expandable memory supported till date is 128GB.

Bluesmart

This is an interesting piece of luggage that is referred as the "connected carry-on". It has a built-in scale to measure the weight and the weight is displayed on the app on the smartphone. It also has a battery pack inside the luggage that can charge a smartphone on the move. It is also equipped with a Telefonica SIM card that can trace the bag on a map if lost.

Microsoft Foldable Keyboard

Microsoft's new foldable keyboard will be compatible with Windows, Android and iOS devices. Supporting Bluetooth connectivity, it can switch between multiple devices on different operating systems with a tap of a button. When unfolded, it is 11.61 inches wide and 4.9 inches tall, which is larger than the Universal Mobile Keyboard. However, when folded up, the keyboard is smaller. It also features waterrepellent keys. The battery life is up to three months on a single charge (via a micro-USB port), compared with six months for the Universal Mobile Keyboard. The foldable keyboard will sell for $99.95 when it debuts in July. The Universal Mobile Keyboard currently sells for $79.95.