Akıllı Giyilebilir Yüzük Gerçek Zamanlı Kalp Atış Hızı Ölçümü Uyku Kan Oksijen Çeşitli Sporlar Sağlık İzleme

basic parameters Ring size Internal diameter (mm) No. 18 17.8mm No. 20 19.8mm No. 22 21.8mm Weight: 4.7g Color: silver, black, gold Main functions: Step count, distance, calorie count Heart rate, blood oxygen saturation, body fatigue, sleep tracking APP: LuckRing Compatible system: Android 5.1 (inclusive) or above, IOS8.0 or above 5.3 Bluetooth Low Energy Chip Charging method: magnetic charging Supported languages: Danish, Ukrainian, Russian, Croatian, Hungarian, Hindi, Indonesian, Turkish, Hebrew, Greek, German, Italian, Latvian, Czech, Slovak, Slovenian, Japanese, French, Polish, Thai, Estonian, Swedish, Lithuanian, Simplified Chinese, Traditional Chinese, Romanian, English, Dutch, Portuguese, Spanish, Vietnamese, Arabic, Korean, Malay (with mobile phone system) Other parameters Waterproof grade: IP68 Charging time: about 1-2 hours Battery life: 5-7 days of use, 15-20 days of standby Appearance material: aluminum alloy, stainless steel