Model No. 501

Color: Space Gray, Gold Rose, Sliver, Black, Green, Red
Size: S - 18MM; M-20MM; L-22MM (Ring Dia.)
Rechargeable Miro USB
Time & Date
OLD Screen ( Screen Can be rotated）
NON-Water Proof

4Channels:

1) 1-(99999)is a regular 5-digit count function without vibration.
2) -(33)vibrates once per 33 counts.
3) -(100)vibrates once per 100 counts.
4) -(33-100)vibrates once every count up to 33,66,99,100.