What is the fine-grained topic of the following text: Lenovo K6 Enjoy, the latest smartphone in the new ‘K Series’ was announced in China on April 5, 2019. the smartphone key specifications include a Triple rear camera set up, a 6.22-inch HD+ ‘Waterdrop’ notch display with 19:9 aspect ratio, narrow bezels and 88-percent screen-to-body ratio. Only return the topic.
Announcement and key specifications of Lenovo K6 Enjoy smartphone