This is a set of the AudioComm microphone amplifier MHA-600Y and earphones, with adjustable volume. I no longer need it as I have purchased a hearing aid, and it has been stored for many years. It is recommended for people who have difficulty hearing high or low frequencies. - Brand: AudioComm - Model: MHA-600Y - Function: Microphone amplifier - Adjustment: Two volume adjustment dials - Color: White - Accessories: Earphones The items for sale are only the main unit and earphones, as shown in the photos. Thank you for your consideration.