Weeks-long battery, always-on screen, and yeah, $80.
Source: Huami Corporation (HMI) Q3 2019 Earnings Call Transcript | Nasdaq
StratOS 1.0, Italian ROM for the AmazFit Stratos smartwatch. This ROM is for AmazFit Stratos and is not compatible with AmazFit Pace, do not install it on PACE! Source: StratOS 1.0: Italian ROM for the AmazFit Stratos | Nicola Sagliano