NY28 1.3 Inch Outdoor Sports Waterproof GPS Positioning Smart Watch With Compass Function(Blue)

1.Material: Zinc alloy+PC+Silica gel, electronic components2. Functions: multiple sports mode tracking, pedometer, heart rate/blood pressure/blood oxygen measurement, sleep monitoring, smart reminder, remote selfie, information reminder, call notification, altitude/barometric display, compass function3. Applicable system: Android 5.0 and above, IOS 10.0 and above4. Supported languages: Japanese, English, Russian, German, French, Spanish, Italian, Portuguese5. Screen size: 1.3 inches (IPS screen)6. Screen resolution: 360 x 360pixel7. Bluetooth version: 5.08. Wireless distance: 5-10m (inclusive)9. Body memory: FLASH: RAM: 512KB+ROM: 128KB, external expansion 128Mb FLASH10. Battery capacity: 250mAh lithium battery11. Charging time: 2 hours12. Working hours: 5-7 days13. Standby time: 30 days14. Operation mode: touch + button15. Waterproof grade: IP6816. Equipped with infrared sensors on the back to accurately measure blood oxygen, heart rate and blood pressure17. Support a variety of sports modes, can measure altitude, air pressure, with compass function