Mobile World Congress 2014

New Samsung Gear 2 smartwatch is seen on a display at the Mobile World Congress in Barcelona, Feb. 23, 2014.

Samsung Electronics unveiled a new smart watch and fitness band along with the latest version of its flagship smartphone, the Galaxy S5, on Monday, demonstrating how the battleground for innovation is shifting from the hand to the wrist.

The Mobile World Congress runs from Feb. 24 to Feb. 27, 2014. Participants can attend conferences, network, discover cutting-edge products and technologies.

Barcelona

A woman tests a new Samsung headset during the 2014 Mobile World Congress in Barcelona, Feb. 25, 2014.

Barcelona

New Samsung Galaxy S5 smartphones are seen on a display at the Mobile World Congress in Barcelona, Feb. 23, 2014.

Barcelona

President and Head of IT and Mobile Communication Division at Samsung Electronics, JK Shin, presents a Gear Fit fitness wristband during a press conference at the Mobile World Congress in Barcelona, Feb. 24, 2014.

Barcelona

A Nokia 220 is presented during the 2014 Mobile World Congress in Barcelona, Feb. 24, 2014.

Barcelona

A visitor looks at the Sony Xperia Z2 during a press conference at the Mobile World Congress in Barcelona, Feb. 24, 2014.

Barcelona

A Nokia Lumia 1520 is presented during the 2014 Mobile World Congress in Barcelona, Feb. 24, 2014.

Barcelona

A man checks a mobile device during the 2014 Mobile World Congress in Barcelona, Feb. 26, 2014 .

Barcelona

Nokia Treasure Tags, mini-GPS devices that can be tracked on a smartphone, are presented during the 2014 Mobile World Congress in Barcelona, Feb. 24, 2014.

Barcelona

A Nokia XL phone with a 5-inch screen is presented during the 2014 Mobile World Congress in Barcelona, Feb. 24, 2014.

Barcelona

Samsung's Gear Fit fitness wristband was presented at the Mobile World Congress in Barcelona, Feb. 24, 2014.

Barcelona

A woman tests a Samsung S Console during the 2014 Mobile World Congress in Barcelona, Feb. 25, 2014.

Barcelona

A woman uses a mobile device on the Samsung stand during the 2014 Mobile World Congress in Barcelona, Feb. 25, 2014.

Barcelona

A visitor takes a picture of the new Samsung Galaxy Fit during the 2014 Mobile World Congress in Barcelona, Feb. 25, 2014.

Barcelona

A visitor takes a picture of the Sony SmartWatch 2 during the 2014 Mobile World Congress in Barcelona, Feb. 25, 2014.

Barcelona

Visitors sit during the 2014 Mobile World Congress in Barcelona, Feb. 26, 2014.

Barcelona

LG's new model "Flex" phone with a curved screen is displayed during the 2014 Mobile World Congress in Barcelona, Feb. 26, 2014.

Barcelona

A visitor plays game on a Nokia device during the 2014 Mobile World Congress in Barcelona, Feb. 26, 2014.

Barcelona

Huawei CEO Richard Yu talks about the TalkBand B1 during a presentation before the start of the Mobile World Congress in Barcelona, Feb. 23, 2014.

Barcelona

The Nokia X is seen at its unveiling at the Mobile World Congress in Barcelona, Feb. 24, 2014.

Barcelona

Japanese electronic supplier Panasonic's new Toughpad handsets are displayed at the company's stand at the Mobile World Congress in Barcelona, Feb. 24, 2014.

Barcelona

The Blackphone, an Android software-based mobile phone which encrypts texts, voice calls and video chats, is displayed after being launched during the Mobile World Congress in Barcelona, Feb. 24, 2014.

Barcelona

JK Shin, President and Head of IT and Mobile Communication Division of Samsung Electronics, waves on the stage after presenting the company's new Galaxy S5 smartphone and Gear 2 smartwatch at the Mobile World Congress in Barcelona, Feb. 24, 2014.

Barcelona

A model displays the new HP ElitePad 1000 at the Mobile World Congress in Barcelona, Feb. 25, 2014.

Barcelona

A visitor looks at a SanDisk microSD card at the Mobile World Congress in Barcelona, Feb. 25, 2014. SanDisk introduced what they say is the world's highest capacity microSDXC memory card with a 128GB capacity at the mobile industry's largest annual gathering.

Barcelona

Visitors take a rest inside a bubble at the terrace at the Mobile World Congress in Barcelona, Feb. 26, 2014.

Barcelona

A woman holds a Sony Xperia Z2 tablet at the Mobile World Congress in Barcelona, Feb. 26, 2014.

Barcelona

Deutsche Telekom Chief Executive Timotheus Hottges holds up a smartphone-connected toothbrush during a keynote speech at the Mobile World Congress in Barcelona, Feb. 25, 2014.

The toothbrush, to be sold under Proctor & Gamble's Oral-B brand, has a Bluetooth 4.0 link to a smartphone app that can be programmed with the help of a dentist and can give personalized advice to help people improve their brushing.

Barcelona

A model holds up an Oral-B smartphone-connected toothbrush at the Mobile World Congress in Barcelona, Feb. 25, 2014.