2016 Hot GPS Smart Watch Golf Navigation Watch with 30,000 World Courses, Black/Red     

1. Electrical and Mechanical Parameters General
2. Number of course: Up to 4000(regional)
3. Memory :64M bits
4. Display Size Active Area : 2.2*2.2 diameter (in cm)
5. Display type :4 Grayscales colors
6. Resolution 90x90 Pixels
7. Waterproof Standard IPX4 or above
8. Unit Thickness 16.4 mm
9. Backlight Display Single level
10. Operating temperature -10°C to 60 °C
11. Humidity 5% to 95% Non-condensing
12. Voltage 3.7V for a rechargeable battery
13. Battery High density Lithium Polymer Rechargeable
14. Battery life 4 weeks in power saving mode; 10 hours in golf playing mode
15. Interface Pogo Pin to USB
16. GPS Parameters General
17. GPS Chipset: u-Blox

18. Antenna Patch Antenna