Features: 1. Capacitive full-round screen operation 2. Built-in GPS, compass, air pressure 3. Support precise heart rate monitoring, blood pressure monitoring, and support multiple sports modes 4. Support step counting, sleep monitoring, real-time weather 5. Support Bluetooth voice call 6. IP67 waterproof grade, liquid silicone strap, super comfortable to wear Product parameters: 1. Body material: zinc alloy, PC + glass fiber 2. Strap material: liquid silicone 3. Weight: 63g 4. Screen size: 1.3 inches IPS touch full screen 6. Resolution: 240x240 7. Touch: 1.3-inch capacitive multi-touch 8. Built-in battery capacity: lithium ion polymer 320mAh 9. Use time: 3-4 days 10. Standby time: 5-7 days 11. Chip: MTK2503A-ARM7 12. Sensor: KX022 13. Heart rate IC: HRS 3313 14. Built-in GPS: GPS ceramic antenna 15. Support gadgets: time / date, compass, pressure sensor, air pressure, altitude, geomagnetism, microphone, calculator / timer / stopwatch 16. Bluetooth: Dual-mode Bluetooth 3.0 + 4.0, Bluetooth effective distance 8-10 meters 17. Memory: 128MB + 64MB 18. Waterproof rating: IP67 19. Charging method: USB charging with magnetic charging clip 20. Compatibility: iOS 8.0 or above, Android 4.4 or above 21. Theme: 8 different colorful themes 22. Watch built-in dial: 10 different beautiful and cool dials 23. Support display: calorie burning, automatic activity recording (walking, remote, running), built-in GPS to record movement track (indoor running, outdoor running, cycling, climbing, marathon), heart rate / blood pressure monitoring, static or dynamic real-time heart rate monitoring , Blood pressure monitoring, automatic sleep monitoring, Bluetooth calling, phone address book, watch dialing, message push / social media information reminder, alarm clock, breath training, Siri, camera control, Bluetooth music player / microphone / speaker / synchronization with mobile phone music player , Anti-lost reminder, real-time weather, raise your hand to bright screen, music player, find mobile phone, sedentary reminder 24. Watch built-in languages: Chinese, English, French, Spanish, Polish, Portuguese, Italian, Dutch, Turkish, Japanese, Russian, German 25. APP name: SMART-TIME 26. Sports data storage: one year 27. Total length of watch: 270mm 28. Length of a single strap: 220mm 29. Strap width: 22mm Product parameters: Smart watch x 1 Manual x 1 Charging clip x 1