Bluetooth: Bluetooth 5.0+Bluetooth 3.0
Waterproof IP67
Material: Stainless steel+IML(Zinc alloy+IML)
Screen Size1.75 inch
Memory 128M
Screen type IPS full viewing angle color screen
Battery 200mAh/ 3.7V
Charging time 2.5H, 7 working days, Standby time 14 days
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