Notice Based on factory firmware testing with a battery voltage of 4 1V 4 2V the screen is observed every 2 hours displaying for approximately 15 seconds before automatically resting The standby battery life is approximately 48 hours More information GithubGithub MicrophoneMicropython ESP32 Firmware DownloadPackage includes 1 x T Watch S3 400mAh 1 x Charging Cable Micro USB