This listing is for a Sennheiser HDI 830 Bodypack Infrared 2-Channel 2.3 2.8MHz Stethoset Receiver USA Seller! Condition: Good Working. Includes unit as shown only. Note: AC adapter and BA300 rechargeable battery not included. Requires headphones or induction neckloop (ordered separately). See Photos. NOTE: You will receive what is shown in the photos only, and nothing additional. Ships from Austin, Texas !!! We are a Mom and Pop local business!!! All the money is spent back in the local and US economy!!! Thank you for the business!!! FAST SHIPPING!!! Manufacturer Description: The EKI 830 IR bodypack receiver is a variant of the RI 830 S. It works on the two wideband frequencies 2,3 and 2,8 MHz and can be used in single channel mono or dual channel stereo mode. Features: Ideal for wearers of hearing aids: receiver can be connected to hearing aids Receiver is also ideal for use with headphones (3.5 mm stereo jack plug ) Outstanding stereo sound Firmware settings optimized for IS application (channel saving, less warning beeps) Large, ergonomically shaped volume control and balance control on the receiver Channel indication LEDs Lithium polymer battery ensures a long operating time of up to 12 hours (not included)