Comparison · Premium smart rings
Amazfit Helio Ring vs Ultrahuman Ring AIR
10 shared data points.
MaterialLega di titanio + resina≠Titanio + rivestimento PVD / carburo di tungsteno + resina ipoallergenica
Sizes8, 10, 12≠5–14
Weight3,65–3,82 g≠2,4–3,6 g
Thickness2,6 mm≠2,45–2,8 mm
Claimed battery lifeUp to 4 giorni≠4–6 giorni
Water resistance10 ATM / 100 m≠100 m
BluetoothBLE≠BLE 5
SensorsPPG BioTracker + temperatura + EDA + accelerometro 3 assi + giroscopio 3 assi≠PPG infrarosso + temperatura + movimento 6 assi + LED rosso/verde/IR
CompatibilityAndroid 7.0+ / iOS 14.0+≠iOS 15+ / Android 6+
Charging timeApprox. 1 h 40 min≠Approx. 180 min