smartwatch, contactless payment, screen: 1.4 ", 450x450 px, touch, glass sapphire, application installation, Wear OS, NFC, SIM card, MP3 Player, heart rate monitor, tonometer, ECG, oxygen in the blood, GPS, swimming mode, period tracker, GPS, body: aluminium, protection IP68, 50 WR / 5 ATM, MIL-STD-810, round