Ring-a-Joy vibrates not only to the signal of your mobile phone, but also works manually. Simply slide it into your erogeneous zone and let yourself go.Use the big round button to adjust the ultimate vibration you want or wait for a call or text to experience an erotic vibration.

**Operation with a mobile phone**
Can experience 3 pre-programmed vibrations

**Manual Operation**
Can experience 7 pre-programmed vibrations

Requires 2 AAA batteries (not included)