Global smartphone brand Oppo has unveiled their new 'A' series smartphone in the country's market. The new phone model 'A57' is full of interesting features. The price is fixed at Tk 17,990. The Oppo A57 4G device features ultra-linear dual stereo speakers, which will ensure a home-theater-like experience. It improves bass response and ensures maximum volume to add extra dimension while playing movies and games.

Apart from this, there is a 33 watt SuperVoc charging technology, as a result of which one can talk for 3 hours and 17 minutes with just 5 minutes of charging. With 15 minutes of charge, you can enjoy 4 hours of video streaming and various types of videos on YouTube.

This powerful phone with a powerful battery of 5000 milliamps is charged from zero to 51 percent in just 30 minutes. With the help of flash charging technology, this device gets full charge in just 72 minutes. On a full charge, the phone lasts for 15 hours of YouTube streaming or up to 12.7 days on standby.

Up to 8 GB RAM expansion (4GB + 4GB) technology has been used to ensure the performance of the device. For those who love to take pictures, there is an ultra-high resolution 13-megapixel camera with AI dual camera set-up and an 8-megapixel selfie camera with AI portrait. The 6.56-inch color-rich display makes the experience of watching games, movies and pictures more vivid and impressive.

Oppo A57 4G phone uses Oppo Glow Design, 2D Slim and Featherweight design. The phone will be available in two different colors – Glowing Green and Glowing Black. The phone can be pre-ordered till September 7, 2022. Pre-orders will avail special offers. In addition to winning the backpack, there is a chance to win the Oppo A57 for just 57 taka through the lottery. Also, there are additional cash and internet bundle offers through swap with 15 percent exchange facility.