Features: Built in GPS sensor provides a comprehensive trace record function. Real-time understanding of temperature changes temperature measurement. Multi sport modes, such as badminton, basketball, mountaineering, cycling, running, table tennis, pedometer. Large capacity 400MAH Lithium-ion battery, outdoors, traveling, no need to worry about the use of electricity, GPS can be used for up to 16 hours. Built-in altimeter, barometer, compass outdoors function.