I purchased a smartphone which is in blue color and have amazing battery with amazing cameras.
Checkout it's specifications
OS Android V8.0 Oreo
Dimensions 157.2 x 75.3 x 7.89 mm
Weight 170 g
Nano dual sim
Blue
3G +4G +LTE
Processor Octa-core 2.36 GHz
Chipset HiSilicon Kirin 659
Display Technology IPS LCD Capacitive Touchscreen, 16M Colors, Multitouch
Size 5.9 Inc + 1080 x 2160 Pixels (~407 PPI)
3Gb Ram + 32Gb+ card supported
Camera Main Dual 16 MP+2 Front 13Mp+2
Features Sensors Fingerprint+ Facelook
Battery 4000 mAh