People try earphones and a headset used for virtual reality at the Venice Virtual Reality a competition during 74th Venice Film Festival in Venice, Italy, August 29, 2017. REUTERS/Alessandro Bianchi 

A man tries on earphones and a headset used for virtual reality at the Venice Virtual Reality a competition during 74th Venice Film Festival in Venice, Italy, August 29, 2017. REUTERS/Alessandro Bianchi 

A man tries on earphones and a headset used for virtual reality at the Venice Virtual Reality a competition during 74th Venice Film Festival in Venice, Italy, August 29, 2017. REUTERS/Alessandro Bianchi 

A woman tries on earphones and a headset used for virtual reality at the Venice Virtual Reality a competition during 74th Venice Film Festival in Venice, Italy, August 29, 2017. REUTERS/Alessandro Bianchi 

A woman tries on earphones and a headset used for virtual reality at the Venice Virtual Reality a competition during 74th Venice Film Festival in Venice, Italy, August 29, 2017. REUTERS/Alessandro Bianchi 

A woman tries on earphones and a headset used for virtual reality at the Venice Virtual Reality a competition during 74th Venice Film Festival in Venice, Italy, August 29, 2017. REUTERS/Alessandro Bianchi 

A woman tries on earphones and a headset used for virtual reality at the Venice Virtual Reality a competition during 74th Venice Film Festival in Venice, Italy, August 29, 2017. REUTERS/Alessandro Bianchi 

A woman tries on earphones and a headset used for virtual reality at the Venice Virtual Reality a competition during 74th Venice Film Festival in Venice, Italy, August 29, 2017. REUTERS/Alessandro Bianchi 

A woman tries on earphones and a headset used for virtual reality at the Venice Virtual Reality a competition during 74th Venice Film Festival in Venice, Italy, August 29, 2017. REUTERS/Alessandro Bianchi 

A woman tries on earphones and a headset used for virtual reality at the Venice Virtual Reality a competition during 74th Venice Film Festival in Venice, Italy, August 29, 2017. REUTERS/Alessandro Bianchi 

A woman tries on earphones and a headset used for virtual reality at the Venice Virtual Reality a competition during 74th Venice Film Festival in Venice, Italy, August 29, 2017. REUTERS/Alessandro Bianchi 

A woman tries on earphones and a headset used for virtual reality at the Venice Virtual Reality a competition during 74th Venice Film Festival in Venice, Italy August 29, 2017. REUTERS/Alessandro Bianchi 

Indonesian Foreign Minister Retno Marsudi adjust her earphone as her counterpart Russian Foreign Minister Sergey Lavrov talks to media at Indonesia Foreign Ministry office in Jakarta, August 9, 2017. REUTERS/Beawiharta 

Russian Foreign Minister Sergey Lavrov adjust his earphone during press briefing as his counterpart Retno Marsudi talks to media at Indonesia Foreign Ministry office in Jakarta, August 9, 2017. REUTERS/Beawiharta 

Japan's Foreign Minister Taro Kono adjusts his earphones as he listens to Philippine Foreign Secretary Alan Peter Cayetano's opening remarks during the 18th ASEAN Plus Three Foreign Ministers Meeting, part of the 50th Association of Southeast Asian Nations (ASEAN) Regional Forum (ARF) meeting in Manila, Philippines August 7, 2017. REUTERS/Mohd Rasfan/Pool 

Serbian Prime Minister and President-elect Aleksandar Vucic adjusts earphones as he listens to Chinese President Xi Jinping (unseen) as they meet at the Great Hall of the People in Beijing, China, May 16, 2017. REUTERS/Damir Sagolj 

FIFA Secretary General Fatma Samoura wears her earphone and mic at the 67th FIFA Congress in Manama, Bahrain May 11, 2017. REUTERS/Hamad I Mohammed 

Indonesia's President Joko Widodo (R) speaks to media as U.S. Vice President Mike Pence adjusts his earphone during a press conference at Merdeka Palace in Jakarta, Indonesia, April 20, 2017. REUTERS/Mast Irham/Pool 

Formula One - F1 - Bahrain Grand Prix - Sakhir, Bahrain - 14/04/17 - Mercedes Formula One driver Valtteri Bottas of Finland puts in his earphones during the first practice session of the Bahrain F1 Grand Prix. REUTERS/Hamad I Mohammed 

A security guard wears an earpiece inside the Great Hall of the People where sessions of the National People's Congress (NPC) are taking place, in Beijing, China March 6, 2017. REUTERS/Damir Sagolj 

Russian President Vladimir Putin adjusts his earphones during a news conference following the talks with Hungarian Prime Minister Viktor Orban in Budapest, Hungary, February 2, 2017. REUTERS/Laszlo Balogh 

Wireless noise-canceling earphones are displayed during a Sony news conference at the 2017 CES in Las Vegas, Nevada January 4, 2017. REUTERS/Steve Marcus 

Football Soccer Britain - Swansea City v Sunderland - Premier League - Liberty Stadium - 10/12/16 Sunderland's Jermain Defoe before the match Action Images via Reuters / Matthew Childs Livepic EDITORIAL USE ONLY. No use with unauthorized audio, video, data, fixture lists, club/league logos or "live" services. Online in-match use limited to 45 images, no video emulation. No use in betting, games or single club/league/player publications. Please contact your account representative for further details. 

Russian Foreign Minister Sergei Lavrov listens to reporter question during a joint press conference with Italian Foreign Minister Paolo Gentiloni in Rome, Italy December 2, 2016. REUTERS/Remo Casilli 

Iraqi Foreign Minister Ibrahim al-Jaafari attends the Rome MED Mediterranean Dialogues forum in Rome, Italy December 1, 2016. REUTERS/Tony Gentile 

Iraqi Foreign Minister Ibrahim al-Jaafari attends the Rome MED Mediterranean Dialogues forum in Rome, Italy December 1, 2016. REUTERS/Tony Gentile 

European Union foreign policy chief Federica Mogherini adjusts her earphones as she arrives to address the European Parliament during a debate on the situation in Syria in Strasbourg, France, November 22, 2016. REUTERS/Vincent Kessler 

Myanmar State Counsellor Aung San Suu Kyi (L) tries to attach her earphone as Japan Chamber of Commerce and Industry Chairman Akio Mimura (R) looks on, during a luncheon organised by Japanese business and economic associations in Tokyo, Japan November 4, 2016. REUTERS/Issei Kato 

Myanmar State Counselor Aung San Suu Kyi (L) is assisted with attaching an earphone by staff members as Japan Chamber of Commerce and Industry Chairman Akio Mimura (R) looks on during a luncheon organized by Japanese business and economic associations in Tokyo, Japan November 4, 2016. REUTERS/Issei Kato 

Ferrari Formula One driver Sebastian Vettel of Germany adjusts his earphones during a news conference in Mexico City, Mexico, October 26, 2016. REUTERS/Henry Romero 

Philippine President Rodrigo Duterte is helped by interpreters to attach an earphone as he attends a luncheon meeting with Japanese business leaders in Tokyo, Japan October 26, 2016. REUTERS/Kim Kyung-Hoon TPX IMAGES OF THE DAY

Technicians adjusts the earphones of Tibet's exiled spiritual leader the Dalai Lama as he arrives at the Arcimboldi theater to receive honorary citizenship of the city of Milan, in Milan, Italy October 20, 2016. REUTERS/Stefano Rellandini TPX IMAGES OF THE DAY

U.S. Secretary of Homeland Security Jeh Johnson fixes his earphones during a news conference in Mexico City, Mexico October 11, 2016. REUTERS/Carlos Jasso

Rapper Ichon records a song at a studio in Montreuil, France, August 28, 2016. REUTERS/Joe Penney SEARCH "CREATIVE BANLIEUE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.?THE IMAGES SHOULD ONLY BE USED TOGETHER WITH THE STORY - NO STAND-ALONE USES. 

British Foreign Secretary Boris Johnson attends a joint news conference with Turkey's European Union Affairs Minister Omer Celik (not pictured) in Ankara, Turkey, September 26, 2016. REUTERS/Umit Bektas 

British Foreign Secretary Boris Johnson attends a joint news conference with Turkey's European Union Affairs Minister Omer Celik (not pictured) in Ankara, Turkey, September 26, 2016. REUTERS/Umit Bektas 

A Secret Service agent checks his earpiece as he stands near the stage while Republican presidential nominee Donald Trump rallies with supporters in Roanoke, Virginia, U.S. September 24, 2016. REUTERS/Jonathan Ernst 

A Secret Service agent checks his earpiece as he stands near the stage while Republican presidential nominee Donald Trump rallies with supporters in Roanoke, Virginia, U.S. September 24, 2016. REUTERS/Jonathan Ernst 

Actress Shailene Woodley gives a thumbs-up during a news conference to promote the feature film Snowden at the San Sebastian Film Festival in San Sebastian, Spain September 22, 2016. REUTERS/Vincent West 

Director Oliver Stone takes part in a news conference to promote the feature film Snowden at the San Sebastian Film Festival in San Sebastian, Spain September 22, 2016. REUTERS/Vincent West 

Actor Joseph Gordon Levitt listens to a question in Spanish through headphones during a news conference to promote the feature film Snowden at the San Sebastian Film Festival in San Sebastian, Spain September 22, 2016. REUTERS/Vincent West

Director Oliver Stone (R) and actor Joseph Gordon-Levitt listen to a question in Spanish through headphones during a news conference to promote the feature film Snowden at the San Sebastian Film Festival in San Sebastian, Spain September 22, 2016. REUTERS/Vincent West

Director Oliver Stone listens to a question in Spanish through headphones during a news conference to promote the feature film Snowden at the San Sebastian Film Festival in San Sebastian, Spain September 22, 2016. REUTERS/Vincent West

Actress Shailene Woodley listens to a question in Spanish through headphones during a news conference to promote the feature film Snowden at the San Sebastian Film Festival in San Sebastian, Spain September 22, 2016. REUTERS/Vincent West 

An attendee wears the Apple AirPods during an Apple media event in San Francisco, California, U.S. September 7, 2016. REUTERS/Beck Diefenbach 

Apple AirPods are displayed during a media event in San Francisco, California, U.S. September 7, 2016. REUTERS/Beck Diefenbach 

Apple AirPods are displayed during a media event in San Francisco, California, U.S. September 7, 2016. REUTERS/Beck Diefenbach 

The Apple iPhone 7 and AirPods are displayed during an Apple media event in San Francisco, California, U.S. September 7, 2016. Reuters/Beck Diefenbach 

Phil Schiller, Senior Vice President of Worldwide Marketing at Apple Inc, discusses the audio features of the iPhone 7 during a media event in San Francisco, California, U.S. September 7, 2016. REUTERS/Beck Diefenbach TPX IMAGES OF THE DAY 

AirPods are displayed as Apple Inc CEO Tim Cook makes his closing remarks during an Apple media event in San Francisco, California, U.S. September 7, 2016. REUTERS/Beck Diefenbach 

Phil Schiller, Senior Vice President of Worldwide Marketing at Apple Inc, discusses the pricing for the AirPods during an Apple media event in San Francisco, California, U.S. September 7, 2016. Reuters/Beck Diefenbach 

Phil Schiller, Senior Vice President of Worldwide Marketing at Apple Inc, discusses the peformance of the iPhone 7 during a media event in San Francisco, California, U.S. September 7, 2016. REUTERS/Beck Diefenbach 

Phil Schiller, Senior Vice President of Worldwide Marketing at Apple Inc, discusses the Apple AirPods during a media event in San Francisco, California, U.S. September 7, 2016. REUTERS/Beck Diefenbach 

Phil Schiller, Senior Vice President of Worldwide Marketing at Apple Inc, discusses the Apple AirPods during a media event in San Francisco, California, U.S. September 7, 2016. REUTERS/Beck Diefenbach 

Phil Schiller, Senior Vice President of Worldwide Marketing at Apple Inc, discusses the Apple AirPods during a media event in San Francisco, California, U.S. September 7, 2016. REUTERS/Beck Diefenbach 

Phil Schiller, Senior Vice President of Worldwide Marketing at Apple Inc, discusses the Apple AirPods during a media event in San Francisco, California, U.S. September 7, 2016. REUTERS/Beck Diefenbach 

Video screen image of Apple AirPods during a media event in San Francisco, California, U.S. September 7, 2016. Reuters/Beck Diefenbach 

Phil Schiller, Senior Vice President of Worldwide Marketing at Apple Inc, discusses the audio features of the iPhone 7 during a media event in San Francisco, California, U.S. September 7, 2016. REUTERS/Beck Diefenbach 

Congolese agents sit in their cubicles as they speak on the phones with their clients, inside the Congo Call Center (CCC) in the Democratic Republic of Congo's capital Kinshasa, July 26, 2016. Picture taken July 26, 2016. REUTERS/Aaron Ross 

Myanmar's State Counsellor Aung San Suu Kyi prepares her headphones as she attends the ASEAN Summit in Vientiane, Laos September 7, 2016. REUTERS/Soe Zeya Tun