S339 1.85 inch AMOLED GPS Sport Smart Watch, Support Bluetooth Call / Sleep / Blood Oxygen / Heart Rate

1. Model: S339
2. Compatible system: IOS / Android systems
3. Key selling points: Display: Narrow-bezel AMOLED HD screen (always-on display / power-saving / rich colors)
GPS: High accuracy in distance and pace calculation, GPS movement trajectory
Appearance: CNC aluminum alloy mid-frame
Bluetooth call: Stable call over 20 meters / clear call quality.
Encoder: Photoelectric rotary encoder.
Waterproof: 30 meters waterproof”
4. Function: Multiple theme styles, customizable watch face, step counting, brightness adjustment, long-screen mode, screen-on-raise, multiple sports modes, GPS tracking, sleep detection, stress measurement, female menstrual cycle tracking, heart rate monitoring, blood oxygen monitoring, breathing exercises, information push notifications, remote music control, remote camera, real-time weather, phone finder (requires phone connection), alarm clock, timer, stopwatch, do-not-disturb mode, Bluetooth calls,
5. App supported languages: Chinese (simplified), English, German, French, Spanish, Italian, Japanese, Russian, Portuguese, Türk?e, Thai, Korean, Estonian, Lithuanian, Latvian, Bulgarian, Greek, Polish, Vietnamese, Czech, Slovak, Hungarian, Malay, Indonesian, Persian, Hindi, Hebrew, Romanian, Arabic, Ukrainian, Dutch
6. Device-side supported languages: English, German, Japanese, French, Italian, Spanish, Russian, Portuguese, Chinese
7. Languages supported by the manual: Chinese, English
8. App: Fitbeing
9. chip: ATS3085S4
10. Button type: 1 physical button + photoelectric rotary encoder
11. Android system: Supports Android versions 9.0 and above
12. iOS system: Apple iOS version 12.0 or above
13. Bluetooth: BLE 5.3 + BT
14. Heart rate: HX3918
15. Product Process: Aluminum alloy + ABS
16. Net weight of the body: 30 grams
17. Screen size: 1.85
18. Screen resolution: 390*450
19. Screen Type: AMOLED high-definition screen
20. Screen material: Glass (panda substrate)
21. waterproof rating: IP68
22. Total length of wristband: 260 millimeters
23. Wristband material: silicone
24. Head size: Height: 45.8mm, Width: 40.1mm, Thickness: 12.5mm (excluding protrusions)
25. Battery Type: lithium battery
26. Battery Model: 482428 polymer
27. Battery voltage: 3.85V
28. Battery capacity: 400mAh
29. Charging method: Magnetic charging
30. Charging time: About 2 hours