Amazfit Helio Ring No Smart ring activity tracker Titanium

Weight: 3.82 g | Display type: No | Mobile operating systems supported: Android 10.0 | Mobile operating systems supported: Android 10.0 | Heart rate monitor: Yes | Device type: Smart ring activity tracker | Mobile operating systems supported: iOS 15 | Mobile operating systems supported: Android 13.0 | Touchscreen: No | Thickness: 2.6 mm | Mobile operating systems supported: Android 14.0 | Mobile operating systems supported: Android 7.0 | Mobile operating systems supported: Android 7.0 | Mobile operating systems supported: Android 7.0 | Mobile operating systems supported: Android 12.0 | Quantity per pack: 1 pc(s) | Mobile operating systems supported: iOS 14 | Mobile operating systems supported: iOS 14 | Accelerometer: Yes | Charging time: 1.4 h | Bluetooth: Yes | Housing material: Resin, Titanium | Quality of sleep: Yes | Battery operated: Yes | Mobile operating systems supported: Android 8.0 | Mobile operating systems supported: Android 8.0 | Gyroscope: Yes | Water resistance: 10 ATM | Mobile operating systems supported: iOS 16 | Form factor: Round | Wireless charging: Yes | Mobile operating systems supported: Android 9.0 | Mobile operating systems supported: Android 11.0 | Rechargeable battery: Yes | Product colour: Titanium | Ring size: 12 | Battery capacity: 20.5 mAh | Battery life: 4 day(s) | Bluetooth Low Energy (BLE): Yes | Skin temperature sensor: Yes | Blood oxygen sensor: Yes