- Display screen: 2.01 inch TFT; Resolution: 320 * 385; Life waterproof grade-2. CPU: Jerry 7012A6; Memory: ROM 128MB-3. Bluetooth 5.3; Support calling; APP Name: RWfit-4. Battery capacity: 200mAh;-5. Support sleep monitoring, real-time heart rate and blood oxygen, information push 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