SPECIFICATIONSBattery Capacity(mAh): 15mAhBrand Name: SIMSONLABCertification: ceChoice: yesDisplay screen: NoFunction: Message ReminderHign-concerned Chemical: NoneItem Weight: 3.7gModel Number: LA380-YJOrigin: Mainland ChinaWaterproof: IP68Multiple Functions1. Motion monitoring, multiple exercise modes2. Sleep monitoring, blood oxygen monitoring, blood pressure measurement and monitoring, remote care3. IP68 waterproofApp LanguageRussian, Hungarian, Turkish, German, Italian, Czech, Slovak, Japanese, French, Polish, Persian, simplified Chinese, traditional Chinese, English, Portuguese, Spanish, Vietnamese, Arabic, Korean, ThaiSpecifications1. Color: black, silver, gold2. Size: 7,8,9,10,11,123. Weight: 3.7Grams4. Battery Life: 3-5Days5. Packing list: Ring, Magnetic Charging Line, Instruction Manual, QC label, Packing BoxHardware Configuration1. Storage capacity: It is recommended to connect to the app and synchronize data every day. The ring can store up to 15 days of data, depending on the type and frequency of use2. Battery capacity: 15mAh3. Battery life: 3 to 5 days, depending on the frequency of use4. Charging method: Use the provided charging cable (USB rated 5V)5. Luminous sensor: LED is in a visible color range, safe and user-friendly6. Connection method: Low-power Bluetooth 5.07. Software program updatability: Update through software application