LILYGO® T-Watch S3 open-source smartwatch with LoRa and ESP32 US915 Mhz

T-Watch S3 is an open-source smart watch for developers who want to experiment with LoRa and ESP32 S3 technology in wearable devices. It is highly customizable and usable in a variety of applications. US 915 MHz Specs MCU ESP32-S3 FLASH 16MB PS RAM 8MB Platform Arduino-IDE, ESP-IDF, VS Code, Micropython Wireless Wi-Fi: 802.11 b/g/n Bluetooth: BLE V5.0 Onboard Functions RTC, Microphone, MAX98357A, Power Detection, BMA423 3-axis acceleration sensor DRV2605 Haptic Driver Motor for ERM and LRA AXP2101 Highly Integrated Power Management Unit  SX1262 Low Power LoRa TransceiverThis version supports US 915 Mhz   Sample Code For Reference [Github] If you need technical support please check below link to find more details. T-Watch_Library T-WATCH-2020 document Micropython ESP32 Firmware Download Address Pin Diagram 1 X T-Watch 1 X Cable Dev Watch Return PolicyOpen Source watches are specialty items that generally cannot be resold on return, especially if the firmware has been flashed. Defective units can be replaced or returned for refund within 30 days of purchase. Non-defective units can be returned in the same time frame if in like-new condition with a 20 percent restocking fee applied. If the unit has had altered firmware or became bricked due to a non-standard firmware flash, the board may not be eligible for return. Sales tax is required in many states and will be added at checkout if applicable to your delivery state. Tax exempt forms can be sent to our support department.