- Display screen: 1.83 inches; resolving power; 240*284； IP68 waterproof rating-2. CPU: Zhongke 5691; Memory: 128MB-3. Bluetooth 5.3; Support calling; APP Name: FitCloudPro-4. Battery capacity: 1000mAh; Usage time: 20 days-5. Support real heart rate, blood oxygen, information push, real-time weather, gaming and other functions-6. Language package of 21 countries: Chinese, English, Russian, Arabic, Vietnamese, Denmark, Thai, Polish, Persia, Spanish, Malay, Greek, French, Italy, German, Portuguese, Türkiye, Romania, Hebrew, Burmese, Ukrainian