... 4cm L * 2cm W * 1.5cm H, led finger ring, including 3pc AG3 batteries, differ color fing ring including ... * 1.5cm H, including stretch belt which wear in the finger.2. including 3pc 1.5V AG 3 batteries.3. ... differ color light, such as red finger ring is red light, white finger ring including white light, blue is ... light.4. turn on light by button on the top of finger ring, and turn off by hand too.5. ...