Google said on Wednesday it might offer an audio-most effective choice on its Duo video calls the provider to assist customers to communicate using bad-satisfactory connections, and become adding a characteristic to allow document sharing in group chats on its Allo messaging app.

The business enterprise released Google Duo in August, supplying video requires customers on Android and iOS, pitting it towards Apple Inc's FaceTime, Microsoft Corp's video-calling app Skype and facebook Inc's Messenger.

Google, owned by means of Alphabet Inc, said audio-most effective calls on Duo might be to be had from Wednesday in Brazil and would be rolled out to customers around the sector within the coming days.

The audio-only calls would paintings well on all connection speeds and are data efficient, Google vice chairman for Product control Mario Queiroz said in a weblog put up after he introduced the movements at a Google conference in Sao Paulo.

With greater than 139 million people on-line, Brazil ranks many of the top 5 internet populations within the world.