H6 1.28 inch Touch Screen IP67 Waterproof Smart Watch, Support Bluetooth Call Sleep Monitoring Heart Rate Monitoring 1. Memory: 128M bit 2. Bluetooth chip: AB5302U 3. Display: 1.28 inches color screen, resolution: 240*240 4. Battery capacity: 295mAh 5. Standby time: 15 days 6. Working time: 5 days 7. Talkinglistening time: 3 hours 8. Material: shell parts: aerospace aluminum alloy +PC, strap: TPU 9. APP supports languages: Chinese, English, Traditional, Japanese, German, French, Russian, Spanish, Italian, Polish, Greek, Thai, Vietnamese, Turkish, Slovak, Portuguese, Romanian, Hungarian, Danish, Finnish, Czech, Korean, Norwegian, Swedish, Ukrainian, Hebrew, Croatian, Irish, Persian, Arabic 10. Watch firmware language: Chinese, English, Japanese, Italian, German, Arabic, Portuguese, Spanish, Thai 11. Functions: calories, distance, exercise mode, sleep monitoring, call reminder, message reminder, sedentary reminder, alarm clock reminder, step count, anti-lost reminder, blood pressure monitoring, heart rate monitoring, blood oxygen monitoring, etc. 12. Single head size: 46x46x12.8mm 13. Strap screen opening length: 252x22mm 14. Weight: 55g