Machine size: outline 46mm *46mm * 15mm
Screen: 1.2 ultra-low power consumption LCD display 240*240
Communication: NB-IOT NB2 frequency band information B3/B5/B8/B18/B26 eSIM card
Control: mechanical buttons, full-screen touch Endurance:
Standby for 15 days, continuous work for 15 days
SOS positioning: base station positioning + Bluetooth positioning + GPS + AGPS + WiFi 5 relocation
Stairs : Sports event reporting, type, duration, core parameter statistics