C20 Pro 1.83 Inch IP68 Waterproof Bluetooth Call Three-Proof Smart Sports Watch Features: 1. 8763EWE, 128M large memory, Bluetooth 5.0 protocol; 2. Support Bluetooth calls, one-key connection, more convenient call scene; 3. Cool UI, support drag operation + shortcut center function; 4. Large memory, eight menu modes, rich UI scenes, smarter watch; 5. 123 sports modes, suitable for more sports scenes; 6. 1.83-inch high-definition large screen with a resolution of 240*286; 7. HR3605 low power consumption and high-resolution heart rate blood oxygen, more accurate detection; 8. IP68 deep waterproof, suitable for wearing in more environments; Product parameters: 1. Main control platform: 8763EWE 2. Memory: 128Mb 3. TP: capacitive touch TP, Haier 816D 4. Display screen: 1.83 inches 240x286 resolution high-definition square screen 5. Motor: 0827 flat motor, wire welding type 6. Bluetooth: 5.0 7. Communication systemdata transmission: 8763EWE 8. Heart rate: HR3605 9. Step counting: Silicon Core QMA6100P, accurate step counting 10. Charging method: 2PIN magnetic suction line 11. Battery: 380mAh (polymer pure cobalt battery) 12. Waterproof grade: IP68 13. Watch menu languages: English (default), Chinese, Romanian, German, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italian, Portuguese 14. DaFit languages: Danish, Ukrainian, Russian, Bulgarian, Hungarian, Bokmal, Norwegian, Hindi, Indonesian, Turkish, Hebrew, Greek, German, Italian, Czech, Slovak, Slovenian, Japanese, Pashto, French, Polish, Persian, Thai, Swedish, Simplified Chinese, Traditional Chinese, Romanian, Finnish, English, Dutch, Portuguese, Spanish Chinese, Vietnamese, Arabic, Korean, Malay 15. Support system: Android 6.0 or above, IOS 9.0 or above 16. Net weight: 53.1 grams (including strap)