M8 1.3 inch IPS Color Screen Smart Bracelet IP67 Waterproof, Support Step Counting Call Reminder Heart Rate Monitoring Sleep Monitoring 1. Chipset: Hs6620D 128kb+1M+64M 2. G-Sensor: 3 axis 3. Heart rate sensor: SC7R30 4. Bluetooth: Built-in BT antenna 5. Display: 1.3inch G+F full touch screen, 240*240 resolution 6. Appearance material: 2.5D tempered glass cover, zinc alloy body, TPU watchband 7. Watch body size: 42mm*36.4mm*9.5mm, wristband: 245mm*20mm*2.6mm 8. Battery: 170mAh li-polymer battery 9. Compatible system: Android 4.4 or above, iOS 8.2 or above 10. Main features: pedometer, calorie, motion track, sleep monitoring, heart rate blood pressure blood oxygen monitoring, call reminder, message reminder, alarm clock, sedentary reminder, hand-on bright screen, shake hand to take phonto, find your watch, OTA upgrade, etc. 11. Smart Watch Language: Simplified Chinese, Traditional Chinese, English, French, German, Japanese, Spanish, Italian, Korean, Czech, Russian, Portuguese 12. APP - Wearfit2.0 - Android support language: English Czech German Spanish French Italian Japanese Korean Portuguese Russian Thai Simplified Chinese Traditional Chinese - iOS support language: English, Chinese, Traditional Chinese, Japanese, Korean, Spanish, German, French, Portuguese, Italian, Russian, Polish 13. Packing list: Watch body, watchband, charging cable, user manual