Features: 1. Bluetooth Call, Bluetooth Music. 2. Customize Dial. 3. Heart Rate Monitoring. 4. Blood Oxygen Monitoring. 5. Sleep Monitoring. 6. IP67 Waterproof. 7. Ultra Low Power Chip. 8. Intelligent Notification. Specification: Compatible System: Android 5.0 or above; iOS 9.0 or above. Operating Mode: Touch Screen. APP Name: Fitpro. Watch Languages: English,SC,TC, Netherlands, Russian, French, German, Portuguese, Spanish, Turkish, Japanese, Polish, Arabic, Malaysia、Thai, Czech, Slovak. App Languages: English, Simplified Chinese, Traditional Chinese, Dutch, Russian, French, German, Portuguese, Spanish, Turkish, Japanese, Polish, Arabic, Malaysian, Thai, Czech, Slovak, Filipino, Indonesian, Ukrainian, Vietnamese, Italian, Hindi. Waterproof: IP67 Waterproof. Multi-Sport Modes: Support. Sensor: Heart Rate Sensor、G-sensor. Screen Size: 0.96 inch. Screen Type: LCD. Watch Diameter: About 35.5*14.5mm. Case Thickness: About 0.8mm. Battery Capacity: 80 mAh-200 mAh. Charging Method: 2pin, it can be used as thimble and shrapnel charging. Package Included: 1* Smart Bracelet. 1* USB Charging Cable. 1* User Manual