Amazfit GTR 4 Renders and specifications leaked

Amazfit GTR 4
1.43″ AMOLED touchscreen with a 466 x 466 px resolution and Always-on Display (AoD) functionality.
aluminum alloy casing in silver & black colors with a side button and crown element on the right side for tactile control.
leather, silicone or nylon watch straps.
150+ sports modes including automatic recognition, guidance, and analysis.
4PD BioTracker 4.0 PPG optical sensor for measuring heart rate, SpO2, and stress levels.
built-in speaker and microphone for Bluetooth calling and independent music playback.
Zepp OS 2.0 and come with a host of the brand’s first party apps.
built-in Alexa assistant based on region.
475mAh battery