Product Description

Product Size : 18mm Material : Plastic BT : BT 5.1 Supporting OS : Android 5.1 or iOS 10.0 or Later Screen : OLED, 0.49inch, 72*40 Battery : 40mAh Button : 1 Button Charging Port : Pogo Pin Theoretical Working Hours : upto 3 days in typical usage/upto days in basic usage Sensors : Vibration Motor Size Available : 22mm,20mm,18mm