Specifications:
1. Ultra-low power e-paper 1.54-inch display with a resolution of 200 x 200 and a wide viewing anglen2. Wi-Fi and Bluetooth LE connectionn3. 3-axis accelerometer with gesture detectionn4. Real-time clock with calendar and alarm functions for accurate timingn5. Built-in USB to serial adapter allows programming anytime and anywheren6. Vibration motor for alarmn7. Four buttons (use imported buttons, which feel better)n8. Open source hardware and softwaren9. Tons of examples and cool watch facesn10. Open source 3D case designn11. Built-in 3.7V 200mAh batteryn12. The use of PCB upper and lower covers can better protect the screen, battery and various components on the motherboard.nnBattery Life:nnWatch wakes up every 60 seconds, checks the accelerometer, real-time clock, and updates the e-paper display with the latest information. Some watch faces also turn on WiFi to get weather data.nThe Watch should have 5-7 days of battery life when just timing time, and 2-3 days when getting data over WiFi. These numbers can be expanded with further optimizations (e.g. sleep during off-hours, wake only on movement/tilt, etc.)nUser Manual: Please scan the QR code on the product packagingnSpecial note: Please be sure to select the hardware version V2.0 when flashing

Features:
1. With ESP-32, Watch supports various development options (for Arduino, Micropython, ESP-IDF, Zephyr-RTOS, etc.) and has a large community for makers/hackers/tinkers.
2. Uses Wi-Fi and bluetooth LE connectivity to connect to internet APIs (Weather, News, Traffic, Maps, Spotify, etc.) and bluetooth LE devices.
3. Comes with open source hardware and software, a variety of examples and cool watch faces, and 3D case designs.
4. Its display conserves power, only using power when updating, and remains clear and visible even in direct sunlight.
5. Has IO ports for users to connect various sensors like heart rate and oxygen monitors.

Wireless network:nn1. Click Set Wifi in the watch main menu.n2. Connect to the "WatchyAp" wifi from another device, such as a mobile phone or computer/laptop.n3. Open 192.168.4.1 in your browser. On a Phone, this page opens on its own when connected to wifi.n4. Click on "Configure WiFi"n5. Enter the SSID and password. (Note: SSID can be pre-filled through the network listed at the top of this screen)n6. Click the "Save" button and wait for Watch.n7. If the connection fails, the watch will display "Setup failed and timed out!" Otherwise, the local IP address and SSID of the connected network are displayed and confirmed.

Package includes:
1x ESP32 Open Source E-Watch
1x Watch Band