The use of three batteries of 7 (the product directly with adriving rotor design of vibration strength)， built in fivemodes of vibration. Tiaodan length 5.5 cm. The largest diameter of 2.6 cm.

Blue， pink， red may supply the choice， random colors

The 5 vibration mode

1 interval (interval becomes a short intermission)

2 vibration program mode (much change vibration mode)

3 continuous vibration motor

4 motor continuous vibration (strong)

5 vibration program mode (much change vibration mode)