watch phone, contactless payment, screen: 1.4 ", 450x450 px, touch, application installation, Wear OS, NFC, SIM card, MP3 Player, heart rate monitor, tonometer, ECG, oxygen in the blood, alarm, GPS, swimming mode, woman calendar, GPS, body: steel, protection IP68, 50, MIL-STD-810, Wi-Fi 4 (802.11n) 2.4GHz/5GHz