Bangle.js 2 Smart Watch
Pimoroni
£64
Bangle.js 2 is an open, hackable smartwatch. With a sunlight readable always-on screen, 4 week battery life, complete flexibility, and complete control of your data, Bangle.js 2 is a refreshing break from expensive smart watches. You can install new apps from the web or develop your own using JavaScript. All you need is a Web Browser (Chrome, Edge or Opera) and you can upload apps or write code to run on your watch wirelessly! Bangle.js is waterproof and comes with Bluetooth Low Energy, GPS, a heart rate monitor, accelerometer, magnetometer, pressure sensor and more. Bangle.js 2.0 specs: IP67
Pimoroni's own words, read from their page.
Buy from PimoroniOut of stock. Price seen 2026-09-05. Affiliate link.
