Comfort Duett with Neckloop is a discrete personal listener for hearing aid wearers who require some assistance for conversation, television and the telephone. On the front unit is easy to use ON/OFF, T (loop) and microphone options along with the larger + and - volume control buttons with illuminated LED's indicating the volume setting. An internal setting that allows a maximum volume to be set and the tone to be adjusted. The unit not only amplifies sound through its microphone but can amplify landline telephone conversations and the TV/Radio/MP3 by connecting accessories Duett Tele-Kit and Television Kit to the charging base. With its own built in telecoil this small lightweight device can also be used as a loop listener to listen to induction loops - places of worship, cinema, theatre, bingo. This Duett is supplied with a neckloop for hearing aid wearers with a "T" or Loop position and is also available with earphones or headphones for people who hard of hearing but do not wear hearing aids. With earphones or headphones the balance can be adjusted to compensate for differences in hearing between your left and right ears. Two AAA rechargeable batteries power the unit and it is supplied with a charger making it ideal for anyone who has manual dexterity issues and may struggle to change batteries. The battery symbol on the front indicates the battery status Active, Low battery, charging in progress, charging complete and defective or wrong battery type.