Smartwatch Amazfit GTR Mini. They have been worn, but the condition is excellent. ~~180л~~ 160л No scratches, chips, and other defects. In the package are two metal bracelets; the original box has been preserved. • They run on Zepp OS. • They have more than 120 sports modes and 14 days of battery life. • They support five satellite positioning systems for precise GPS tracking. • They monitor heart rate, blood oxygen level, and stress.