DF-1766SW-GPS Smart activity tracker with wrist-based heart rate and GPS

Description

Specification

Heart rate sensor:   SI1144

CPU Chip:   Nordic52832

Battery:   3.7v/100mah

Charging voltage:    USB DC 5.0V

Charging current:    about 110mA (@ DC5V)

Charging time:       about 1.5-2 hours

Working current:     4 / 11 / 23ma max (brightness adjustable)

Standby current:     0.5mA Max when OLED is off

BT:    BT4,0

GPS:  SONY

Display screen:      TFT

size  :  13.4mm * 28mm * 1.4mm

resolution:       160 * 80