LilyGo T-Watch Ultra

The LilyGo T-Watch Ultra is an ESP32-S3-based wearable development platform with a dual Xtensa LX7 core (up to 240 MHz), 16 MB of flash memory, and 8 MB of PSRAM. It features a 2.06-inch AMOLED touchscreen (410 x 502), a Semtech SX1262 LoRa transceiver, a u-blox MIA-M10Q GNSS module, NFC, Wi-Fi, and Bluetooth 5.0 LE, as well as a Bosch BHI260AP sensor for motion-based AI. With AXP2101 power management, a 1,100-mAh battery, a microphone, a vibration motor, a microSD slot, and USB-C in an IP65-rated enclosure, it is suitable for use as a Meshtastic node and for GPS tracking, among other applications.