This marvel of miniaturisation fits comfortably inside the ear to provide a welcome boost to hearing that's not as sharp as it was. Using the integral  volume control, you can adjust amplification to the optimum level for every situation, whether you're trying to chat at a noisy party or straining to catch the  dialogue from the TV or theatre stage. Discreet and unobtrusive. Complete with 3 size ear pieces and 6 FREE micro batteries and carry case.