TANK M1 1.72 TFT Screen Smart Watch, Support Sleep Monitoring / Heart Rate Monitoring(Army Green)

1. Bluetooth version: 5.02. Case material: metal + plastic, strap material: silicone3. Support system: android 5.1 & ios 10.0 and above4. CPU: RealTek8762DK5. Memory: 64KB6. ROM: 128M7. Battery capacity: 380mAh8. Battery type: polymer battery9. Standby time: standby: 50 days, daily use: 15 days10. Waterproof grade: 5ATM & IP69K11. Screen: 1.72 inch TFT screen12. Resolution: 280*32013. Functions: sleep monitoring, heart rate monitoring, exercise mode, blood pressure monitoring, message reminder, pedometer, weather, photo control, music control, etc.14. Watch UI language: English (default), French, German, Italian, Spanish, Portuguese, Russian, Japanese, Korean, Afghan, Ukrainian, Arabic, Turkish, Romanian15. APP language: English, Arabic, Danish, German, Spanish, Finnish, French, Italian, Japanese, Korean, Dutch, Norwegian, Polish, Portuguese, Russian, Swedish, Thai, Ukrainian Chinese, Traditional Chinese, etc.16. Watch size: 54.8x44.6x14.8mm, length: 265mm, strap: 90x22mm, 120.2x22mm17. Weight: 55g