Photochromic Anti-Blue Light Glasses ????️ Smart Protection for Eyes – Indoors & Outdoors! ????️ These stylish, photochromic glasses automatically adjust to sunlight, turning dark outdoors and clear indoors – while blocking harmful blue light from screens and UV rays. ✨ Features: ???? Anti-Blue Light: Reduces digital eye strain from phones, laptops, and ...
ECG electrodes are small, conductive pads placed on the skin to measure the heart's electrical activity. They are used in electrocardiograms (ECGs) to monitor heart rhythm and diagnose heart conditions. These electrodes, typically made of Ag/AgCl and often with a conductive gel, reduce electrode polarization and allow for stable baseline readings.