men's digital sport gps running watch with speed pace distance calorie burning satch waterproof 50m ezon t031

introduction this is a multi-functional watch combines gps receiver. apart from time, calendar, and alarm, the watch can reset time by gps and measure the distance, pace, speed and calories burned, etc. during your exercise. the watch can save and display 10 exercise records, and has long battery life. charging the battery clip the watch with the clamps of the usb cable, and the lovation strip in the clamp must be plugged into the concave at the back of the watch to ensure their electrodes ar