Missing one in the series, Oppo launched a new handset in China of its K-series – Oppo K3. Taking the charge from K1, this K3 mobile is placed in the mid segment and has some decent features.
Oppo Launched Model K3 With Pop-up Camera in China for ¥1,599

Specifications of Oppo K3:
It has a 6.5″ (2340×1080) FHD+ display with 19.5:9 aspect ratio. It features a full-length display with no punch holes or notches and has 6th Gen in-display fingerprint scanner.
The system is processed by Snapdragon’s 710 CPU and Adreno’s 616 GPU. It has Game Turbo and other AI features to handle the system efficiently during the hard activities.
Having three memory variants of 6GB/64GB, 8GB/128GB and 8GB/256GB, it runs with its proprietary bloatware Color OS 6 over Android 9 Pie.
It has a dual-rear setup of 16MP (f/1.8) primary sensor and a 2MP (f/2.4) depth sensor. The front camera is a popup one with 16MP (f/2.0) lens.
Regular connectivities like WiFi, Bluetooth 5, GPS, USB 2.0 Type-C and other sensors are available.
And finally, it has a 3750mAh (20W) battery with VOOC 3.0 support for juicing it up quickly.

Price and Availability:
While the 6GB + 64GB variant costs about ¥1,599, the 8GB + 128GB and 8GB + 256GB variants costs ¥1,899 and ¥2,299 respectively.
Besides these, Lenovo has just announced their further variants in Z6 models, namely Z6 Lite and Z6 Youth Edition. Which are pretty much the same, but has slight attractive shades and features to attract more.