Ear Speaker: Our most popular earphone. Placed over the ear and connects to a Listen LR-300, LR-400 or LR-500 receiver. Ideal for users who don't want anything inside their ear (doesn't enter the ear canal). Works well with hearing aids. Comfortable and easy to use. Outstanding aural performance. Frees up one ear for hearing environment sounds. Durable black plastic can be cleaned after each use. Ideal for almost all applications.