Specification
Bluetooth: Bluetooth 5.1
Matching Systems:Android 5.1 or iOS 10.0 or later
Screen: OLED,0.49 inch,72*40
Battery capacity:40mAh , Charge case battery capacity: 120mAh
Material:stainless steel
Button:1 button
Charging port: Pogo Pin
Theoretical working hours: The ring battery and charging case both provide 15 days of use for the ring under normal conditions.
Sensors:Vibration Motor
Size: 20mm
Weight: 11.7
Color: Graphite