COLMI P50

Chipset: Goodix GR5515
Heart rate sensor: HS3605.
Screen: 1.81 inch, 240*286 pixel.
Battery: Capacity 260 mAh, time 3~5 days.
Waterproof level: IP67 Waterproof.
APP: Dirifit.
Suitable for mobile phones with Android 4.4 or higher, or iOS 9.0 or higher.