Oppo A1K
The 4000mAh battery of A1k is in the leading position at this rates and allows a whole day using(around 17 hours) without charging. ColorOS6 Latest System, 32GB Rom, 4000mAh Big Battery, 6.1inch water drop screen, Smart Design with 3D Body Structure .
Brand: 
A1k
32GB Memory | 4000mAh Battery
4000mAh Battery | Super Powerful
The 4000mAh battery of A1k is in the leading position at this rates and allows a whole day using(around 17 hours) without charging.
Fashionable Color | Cutting-edge Aesthetics
The two decided high-end and fashionable colors of the phone are selected from hundreds of color solution, leading the aesthetics in the industry.
HDR | Clearer Than Ever
The HDR function can make every detail of your photos much clearer in any kind of environment, including low light or backlight conditions.
Smart Bar | More Convenient Multitasking
Smart bar enables you to switch between apps, transfer files, reply messages, or take screenshots when playing a game or watching a video.