Ulefone Watch and Ulefone Watch GPS both
feature an advanced HX3600 optical sensor, whic can deliver a 24-hour
uninterrupted high-precision heart rate detection. They also support sleep
monitoring and recording of women’s menstrual cycle. And the 1.3-inch TFT
colorful screen provides plenty of space show more information. The difference
between the two devices is that Ulefone Watch GPS has built-in GPS and supports 14 sports modes, while Ulefone Watch supports only 9 sport
modes and is without GPS.