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 barebones 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 unique 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 APIs (e.g. Weather, News, Traffic, Maps, Spotify, 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, Zephyr-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-axis 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 on the go 6.Vibration motor for alerts 7.Four tactile buttons 8.Open source hardware & software 9.Tons of examples & cool watch faces 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.