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Tech teasers

Look at this guy, with his sturdy Otterbox case. What a hero. From cases that clean your phone to phones you control with your eyes, check out the coolest gadgets being shown off on the eve of Mobile World Congress 2014.

Updated:Caption:Photo:Andrew Hoyle/CNET
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LostNfound

LostNfound is a GPS watch to look out for your favourite senior, which sends you a message if they wander off or fall down.

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Mad Catz CTRL

You can play more than mind games with the Mad Catz CTRL games controller.

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McAfee app

The new McAfee Android antivirus app protects your phone from malware, and it's going to be built into all LG devices later this year.

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Artificial Solutions

The Artificial Solutions personal assistant is like somewhere between Siri and Scarlett Johansson in "Her".

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Toca Boca games

Toca Boca makes apps for kids like Pet Doctor that are gender-neutral, with no language so kids can play them all over the world -- and with no highs scores or achievements. They've un-gamified games!

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Backbeat Fit headphones

Witness the fitness with the Plantronics BackBeat Fit headphones.

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Battery boost

This Energizer battery doubles as a phone stand.

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Emporia Smart

The Emporia Smart is a smart phone designed with older folk in mind.

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SpareOne phone

That isn't a screen -- it's a window showing you the AA battery powering this waterproof SpareOne phone.

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Zippers Tab lineup

The wacky guys in wacky ties from Vexia show off the Intel-powered Zippers Tab range of slates.

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Otterbox cases

Whatta lotta bottle these Otterbox cases have.

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BeeWi Color Light

Set the mood from an app on your phone or tablet with the chameleonic BeeWi Color Light.

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BlueAnt Pump headphones

Bend and flex and bend and flex and relax with the BlueAnt Pump sports headphones.

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Yezz smartphones

Say yes to Yezz. The Miami-based company plans to show off several new phones at the trade show.

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Yezz A5QP

Witnezz the power of the eight-core Yezz Andy A5QP.

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Yezz Andy A4M

Yezz we can! This is the handy Andy A4M from Yezz.

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EyeVerify

All eyes are on EyeVerify, which unlocks your phones by reading the unique patterns of veins in your eye -- like a fingerprint.

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Mio Link sports band

Me-oh my, it's the wrist-worn Mio Link sports band.

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AppMachine

All the cool kids make apps these days. Build your own apps, like this one, with AppMachine software.

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Reticare

Reticare is a screen protector -- but it's not protecting the screen from dirt, it's protecting your eyes from the damaging light coming out of your phone.

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Zero 1

Someone should tell these AvantGarde Acoustics Zero 1 speakers that size isn't everything.

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Garmin app

Garmin's sat nav app for Sony's smartwatch helps you find your way without having to pull your phone from your pocket every hundred yards.

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Echo sports watch

The Magellan Echo sports watch helps you keep fit.

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Olloclip

Soup up your snaps with the Olloclip, a camera lens that fits on your iPhone or iPad.

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NueVue cases

NueVue cases are lined with microfibers to clean your screen.

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VBox

The VBox streams televisual delights to other devices, including laptops, tablets, phones, and smart TVs.

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Eye Tribe

The eyes have it: Eye Tribe lets you control your phone with your peepers.

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