Smartwatches and fitness trackers with sleep analysis

smartwatch, contactless payment, screen: 1.43 ", 466x466 px, touch, application installation, Wear OS, NFC, MP3 Player, heart rate monitor, oxygen in the blood, GPS, maps, ведение in треку, compass, altimeter, swimming mode, GPS, body: aluminium, 50 WR / 5 ATM, MIL-STD-810, Bluetooth v 5.2

smartwatch, screen: 1.65 ", 384x336 px, touch, application installation, heart rate monitor, oxygen in the blood, GPS, swimming mode, period tracker, GPS, body: aluminium, 50 WR / 5 ATM, Bluetooth v 5.2

smartwatch, screen: 1.74 ", 480x336 px, touch, application installation, MP3 Player, heart rate monitor, oxygen in the blood, GPS, ведение in треку, compass, swimming mode, period tracker, GPS, body: plastic, 50 WR / 5 ATM, Bluetooth v 5.2

smartwatch, contactless payment, screen: 1.2 ", 396x396 px, touch, glass sapphire, application installation, Wear OS, NFC, 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, Bluetooth v 5.2

smartwatch, screen: 1.75 ", 450x390 px, touch, NFC, heart rate monitor, oxygen in the blood, GPS, compass, swimming mode, period tracker, GPS, body: metal, 50 WR / 5 ATM, Bluetooth v 5.2

smartwatch, screen: 2.13 ", 520x410 px, touch, heart rate monitor, tonometer, oxygen in the blood, compass, swimming mode, body: metal, protection IP68, 50 WR / 5 ATM, MIL-STD-810, Bluetooth v 5.2

smartwatch, screen: 1.32 ", 466x466 px, touch, application installation, NFC, MP3 Player, heart rate monitor, oxygen in the blood, GPS, compass, altimeter, period tracker, GPS, body: steel, 50 WR / 5 ATM, Bluetooth v 5.2

smartwatch, contactless payment, screen: 1.4 ", 280x280 px, touch, glass sapphire, NFC, MP3 Player, heart rate monitor, ECG, oxygen in the blood, GPS, maps, ведение in треку, compass, altimeter, swimming mode, period tracker, ANT+, GPS, body: plastic, 100 WR / 10 ATM, MIL-STD-810, Bluetooth v 5.2

smartwatch, screen: 1.75 ", 450x390 px, touch, application installation, MP3 Player, heart rate monitor, oxygen in the blood, GPS, period tracker, GPS, body: aluminium, 50 WR / 5 ATM, Bluetooth v 5.2

smartwatch, screen: 1.43 ", 466x466 px, touch, heart rate monitor, oxygen in the blood, body: steel, protection IP68, Bluetooth v 5.2

smartwatch, contactless payment, screen: 1.4 ", 454x454 px, touch, NFC, MP3 Player, heart rate monitor, ECG, oxygen in the blood, GPS, maps, ведение in треку, compass, altimeter, swimming mode, period tracker, ANT+, GPS, body: plastic, 100 WR / 10 ATM, MIL-STD-810, Bluetooth v 5.2

smartwatch, screen: 1.5 ", 466x466 px, touch, glass sapphire, application installation, NFC, MP3 Player, heart rate monitor, ECG, oxygen in the blood, GPS, compass, altimeter, swimming mode, GPS, body: metal, protection IP68, 100 WR / 10 ATM, Bluetooth v 5.2

watch phone, screen: 1.43 ", 466х466 px, touch, glass sapphire, application installation, NFC, SIM card, MP3 Player, heart rate monitor, oxygen in the blood, GPS, compass, period tracker, GPS, body: titanium, protection IP68, 50 WR / 5 ATM, Bluetooth v 5.2

smartwatch, contactless payment, screen: 1.43 ", 466x466 px, touch, NFC, heart rate monitor, oxygen in the blood, GPS, altimeter, swimming mode, period tracker, GPS, body: plastic, 50 WR / 5 ATM, Bluetooth v 5.2

smartwatch, screen: 1.64 ", 456x280 px, touch, application installation, NFC, heart rate monitor, oxygen in the blood, GPS, period tracker, GPS, body: plastic, 50 WR / 5 ATM, Bluetooth v 5.2

watch phone, screen: 1.5 ", 466x466 px, touch, application installation, NFC, SIM card, heart rate monitor, ECG, oxygen in the blood, GPS, maps, ведение in треку, compass, altimeter, swimming mode, period tracker, GPS, body: steel, 50 WR / 5 ATM, Bluetooth v 5.2

smartwatch, contactless payment, screen: 1.4 ", 450x450 px, touch, glass sapphire, application installation, Wear OS, NFC, 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, Bluetooth v 5.2

smartwatch, screen: 1.43 ", 466x466 px, touch, heart rate monitor, oxygen in the blood, period tracker, body: metal, protection IP68, Bluetooth v 5.2

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, maps, ведение in треку, compass, swimming mode, period tracker, GPS, body: titanium, protection IP68, 50 WR / 5 ATM, MIL-STD-810, Bluetooth v 5.2

smartwatch, screen: 1.96 ", 502x410 px, touch, heart rate monitor, tonometer, oxygen in the blood, body: plastic, protection IP68/IP69K, 50 WR / 5 ATM, MIL-STD-810, Bluetooth v 5.2

smartwatch, screen: 1.39 ", 360x360 px, touch, heart rate monitor, tonometer, oxygen in the blood, period tracker, body: steel, protection IP68, Bluetooth v 5.2

smartwatch, screen: 1.28 ", 416x416 px, touch, application installation, heart rate monitor, oxygen in the blood, GPS, swimming mode, period tracker, GPS, body: steel, 50 WR / 5 ATM, Bluetooth v 5.2