Amazon.com: T-Watch 2020 V2 ESP32-Based Programmable Watch with Arduino, ESP-IDF or MicroPython(Black) : Electronics
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Amazon.com: iTECH Fusion 2 S Smartwatch Fitness Tracker, Heart Rate, Step Counter, Sleep Monitor, Message, IP67 Water Resistant for Men and Women, Touch Screen, Compatible with iPhone and Android (Black Mesh) :