Y4 smart watch, 8 sports modes, heart rate and sleep monitoring, sedentary reminder, 13 languages, multiple dials to choose. Y4 smart watch, 8 sports modes, heart rate and sleep monitoring, sedentary reminder, 13 languages, multiple dials to choose 1. Main screen: 1.28 inch 2.5D HD capacitive touch screen, resolution 240*240. IP68 waterproof. 2. CPU: Goodix 5515. Memory: RAM256Kb + ROM128Mb. 2. BT v5.0, connected via Da Fit app, does not support phone call. 3. Battery: 220mAh (using 5 days ). Weight: 37.5g. 4. Support 13 languages (English, Russian, Arabic, Vietnamese, Thai, Polish, Spanish, Malay, Greek, French, Italian, German, Chinese). 5. Multiple dials for choose. Other functions: alarm clock, stopwatch, information reminder (calls / message / WeChat / QQ / WhatsApp / Facebook / Twitter etc.). 6. Support heart rate, sleep monitoring, step counting, sedentary reminder, control mobile phone to take pictures, etc. 7. 8 sports modes (walking, running, skipping rope, cycling, badminton, yoga, mountain climbing, sit-ups). 8. With charging cable.