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 DIY 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's E-Paper display delivers a beautiful crisp image clearly visible under bright sunlight, and requires no power between updates. 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/hackers/tinkerers in mind, we chose the ESP32 for its large community and support for a wide variety of development options (for , for Micropython, for ESP-IDF, for -RTOS, etc.) Ultra-low-power e-paper 1.54inch display with 200 x 200 resolution and wide viewing angle. Wi-Fi & Bluetooth LE connectivity 3- accelerometer with gesture detection Real-time clock for accurate time keeping with calendar and alarm functions Built-in USB-to-serial adapter for programming Vibration motor for alerts Four tactile buttons Open source hardware & software Tons of examples & cool watch open source 3D case designs Type-C port Battery life:3-4 days or 1 week (3-4 days when Wi-Fi on) Is it waterproof:Not waterproof Note:Due to different factory batches, the product may have color differences, which does not affect use. Colour:Black Material:PCB+electronic components Package Contents: 3 x Watch 3 x watch strap 3 x Type-C cable 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.