watch v2.0 PLUS - esp32 based fully open source electronic watch smartwatch Watch is an E-Paper watch with open source hardware and software. It has a design utilizing the PCB as the watch body, allowing it to be worn as-is, or further customized with different 3D printed cases and watch straps. It is a timepiece that is also a wearable development platform, allowing users to create their own experience. Watchy E-Paper display delivers a beautiful crisp image clearly visible under bright sunlight, a At 200x200 pixels and monochrome, the display offers a distinctive aesthetic. Watch has both WiFi & Bluetooth LE connectivity, allowing it to connect with internet (e.g. Weather, News, Traffic, Maps, , etc.), as well as Bluetooth LE enabled devices. With makers in mind, we chose the ESP32 for its large community and support for a wide variety of development options (Micropython, ESP-IDF, -RTOS, etc.) 1.Ultra-low-power e-paper 1.54 inch display with 200 x 200 resolution and wide viewing angle 2.Wi-Fi & Bluetooth LE connectivity 3.3- accelerometer with gesture detection 4.Real-time clock for accurate time keeping with calendar and alarm functions 5.Built-in USB-to-serial adapter for programming 6.Vibration motor for alerts 7.Four tactile buttons 8.Open source hardware & software 9.Tons of examples & cool watch Color: As shown Material: PCB Package Contents: 1 x Smartwatch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.