LED Finger Ring Hanging on the further ,and flashing Replaceable Batteries. LED light red,blue,green LED Finger RingThe LED Ring has three very bright flashing LED that you twist on/off. Wear it like a ring on the outside of your finger, or turn it to the inside so your can "Palm It" and create the effect of throwing it from one hand to another. Replaceable Batteries.led light red,blue,green